[Security Solution] Remove experimental sourcerer (elastic#189881)

## Summary

Given that we are no longer considering replacing our sourcerer
component with Discover one, I am removing the experimental flag + some
boilerplate code around it.

x-pack/plugins/security_solution/public/app/home/template_wrapper/index.tsx

@@ -12,7 +12,6 @@ import { IS_DRAGGING_CLASS_NAME } from '@kbn/securitysolution-t-grid';
 import { KibanaPageTemplate } from '@kbn/shared-ux-page-kibana-template';
 import type { KibanaPageTemplateProps } from '@kbn/shared-ux-page-kibana-template';
 import { ExpandableFlyoutProvider } from '@kbn/expandable-flyout';
-import { DataViewPickerProvider } from '../../../sourcerer/experimental/containers/dataview_picker_provider';
 import { AttackDiscoveryTour } from '../../../attack_discovery/tour';
 import { URL_PARAM_KEY } from '../../../common/hooks/use_url_state';
 import { SecuritySolutionFlyout, TimelineFlyout } from '../../../flyout';
@@ -104,12 +103,10 @@ export const SecuritySolutionTemplateWrapper: React.FC<SecuritySolutionTemplateW
               component="div"
               grow={true}
             >
-              <DataViewPickerProvider>
-                <ExpandableFlyoutProvider urlKey={isPreview ? undefined : URL_PARAM_KEY.flyout}>
-                  {children}
-                  <SecuritySolutionFlyout />
-                </ExpandableFlyoutProvider>
-              </DataViewPickerProvider>
+              <ExpandableFlyoutProvider urlKey={isPreview ? undefined : URL_PARAM_KEY.flyout}>
+                {children}
+                <SecuritySolutionFlyout />
+              </ExpandableFlyoutProvider>
 
               {didMount && <AttackDiscoveryTour />}
             </KibanaPageTemplate.Section>

x-pack/plugins/security_solution/public/common/mock/global_state.ts

@@ -47,7 +47,6 @@ import { initialGroupingState } from '../store/grouping/reducer';
 import type { SourcererState } from '../../sourcerer/store';
 import { EMPTY_RESOLVER } from '../../resolver/store/helpers';
 import { getMockDiscoverInTimelineState } from './mock_discover_state';
-import { initialState as dataViewPickerInitialState } from '../../sourcerer/experimental/redux/reducer';
 
 const mockFieldMap: DataViewSpec['fields'] = Object.fromEntries(
   mockIndexFields.map((field) => [field.name, field])
@@ -512,7 +511,6 @@ export const mockGlobalState: State = {
    */
   management: mockManagementState as ManagementState,
   discover: getMockDiscoverInTimelineState(),
-  dataViewPicker: dataViewPickerInitialState,
   notes: {
     entities: {
       '1': {

x-pack/plugins/security_solution/public/common/store/reducer.test.tsx

@@ -13,7 +13,6 @@ import { useSourcererDataView } from '../../sourcerer/containers';
 import { renderHook } from '@testing-library/react-hooks';
 import { initialGroupingState } from './grouping/reducer';
 import { initialAnalyzerState } from '../../resolver/store/helpers';
-import { initialState as dataViewPickerInitialState } from '../../sourcerer/experimental/redux/reducer';
 import { initialNotesState } from '../../notes/store/notes.slice';
 
 jest.mock('../hooks/use_selector');
@@ -72,7 +71,6 @@ describe('createInitialState', () => {
       {
         analyzer: initialAnalyzerState,
       },
-      dataViewPickerInitialState,
       initialNotesState
     );
 
@@ -112,7 +110,6 @@ describe('createInitialState', () => {
         {
           analyzer: initialAnalyzerState,
         },
-        dataViewPickerInitialState,
         initialNotesState
       );
       const { result } = renderHook(() => useSourcererDataView(), {

x-pack/plugins/security_solution/public/common/store/reducer.ts

@@ -35,10 +35,6 @@ import type { GroupState } from './grouping/types';
 import { analyzerReducer } from '../../resolver/store/reducer';
 import { securitySolutionDiscoverReducer } from './discover/reducer';
 import type { AnalyzerState } from '../../resolver/types';
-import {
-  type DataviewPickerState,
-  reducer as dataviewPickerReducer,
-} from '../../sourcerer/experimental/redux/reducer';
 import type { NotesState } from '../../notes/store/notes.slice';
 import { notesReducer } from '../../notes/store/notes.slice';
 
@@ -73,7 +69,6 @@ export const createInitialState = (
   dataTableState: DataTableState,
   groupsState: GroupState,
   analyzerState: AnalyzerState,
-  dataviewPickerState: DataviewPickerState,
   notesState: NotesState
 ): State => {
   const initialPatterns = {
@@ -136,7 +131,6 @@ export const createInitialState = (
       internal: undefined,
       savedSearch: undefined,
     },
-    dataViewPicker: dataviewPickerState,
     notes: notesState,
   };
 
@@ -156,7 +150,6 @@ export const createReducer: (
     sourcerer: sourcererReducer,
     globalUrlParam: globalUrlParamReducer,
     dataTable: dataTableReducer,
-    dataViewPicker: dataviewPickerReducer,
     groups: groupsReducer,
     analyzer: analyzerReducer,
     discover: securitySolutionDiscoverReducer,

x-pack/plugins/security_solution/public/common/store/store.ts

@@ -55,11 +55,6 @@ import { dataAccessLayerFactory } from '../../resolver/data_access_layer/factory
 import { sourcererActions } from '../../sourcerer/store';
 import { createMiddlewares } from './middlewares';
 import { addNewTimeline } from '../../timelines/store/helpers';
-import {
-  reducer as dataViewPickerReducer,
-  initialState as dataViewPickerState,
-} from '../../sourcerer/experimental/redux/reducer';
-import { listenerMiddleware } from '../../sourcerer/experimental/redux/listeners';
 import { initialNotesState } from '../../notes/store/notes.slice';
 
 let store: Store<State, Action> | null = null;
@@ -176,22 +171,19 @@ export const createStoreFactory = async (
     dataTableInitialState,
     groupsInitialState,
     analyzerInitialState,
-    dataViewPickerState,
     initialNotesState
   );
 
   const rootReducer = {
     ...subPlugins.explore.store.reducer,
     timeline: timelineReducer,
     ...subPlugins.management.store.reducer,
-    dataViewPicker: dataViewPickerReducer,
   };
 
   return createStore(initialState, rootReducer, coreStart, storage, [
     ...(subPlugins.management.store.middleware ?? []),
     ...(subPlugins.explore.store.middleware ?? []),
     ...[resolverMiddlewareFactory(dataAccessLayerFactory(coreStart)) ?? []],
-    listenerMiddleware.middleware,
   ]);
 };
 

x-pack/plugins/security_solution/public/common/store/types.ts

@@ -25,7 +25,6 @@ import type { GlobalUrlParam } from './global_url_param';
 import type { GroupState } from './grouping/types';
 import type { SecuritySolutionDiscoverState } from './discover/model';
 import type { AnalyzerState } from '../../resolver/types';
-import { type DataviewPickerState } from '../../sourcerer/experimental/redux/reducer';
 import type { NotesState } from '../../notes/store/notes.slice';
 
 export type State = HostsPluginState &
@@ -39,7 +38,6 @@ export type State = HostsPluginState &
     sourcerer: SourcererState;
     globalUrlParam: GlobalUrlParam;
     discover: SecuritySolutionDiscoverState;
-    dataViewPicker: DataviewPickerState;
   } & DataTableState &
   GroupState &
   AnalyzerState & { notes: NotesState };

x-pack/plugins/security_solution/public/sourcerer/containers/index.tsx

@@ -15,7 +15,6 @@ import { getDataViewStateFromIndexFields } from '../../common/containers/source/
 import { useFetchIndex } from '../../common/containers/source';
 import type { State } from '../../common/store/types';
 import { sortWithExcludesAtEnd } from '../../../common/utils/sourcerer';
-import { useUnstableSecuritySolutionDataView } from '../experimental/use_unstable_security_solution_data_view';
 
 export const useSourcererDataView = (
   scopeId: SourcererScopeName = SourcererScopeName.default
@@ -116,7 +115,7 @@ export const useSourcererDataView = (
     return dataViewBrowserFields;
   }, [sourcererDataView.fields, sourcererDataView.patternList]);
 
-  const stableSourcererValues = useMemo(
+  return useMemo(
     () => ({
       browserFields: browserFields(),
       dataViewId: sourcererDataView.id,
@@ -145,10 +144,4 @@ export const useSourcererDataView = (
       legacyPatterns.length,
     ]
   );
-
-  return useUnstableSecuritySolutionDataView(
-    scopeId,
-    // NOTE: data view derived from current implementation is used as a fallback
-    stableSourcererValues
-  );
 };