[CHORE] Remove old stats/logs pages + typescript (#4505)

**Description**

Removes outdated resources (html, routes and typescript) after #4474 was merged.

Fixes #4475

**How to test**

- CI should cover most
- Check if stats pages for teachers and admins work

**Checklist**
Done? Check if you have it all in place using this list: (mark with x if done)

- [x] Contains one of the PR categories in the name
- [x] Describes changes in the format above
- [x] Links to an existing issue or discussion
- [x] Has a "How to test" section

static/js/initialize.ts

@@ -3,7 +3,6 @@ import { initializeApp, initializeCodePage, InitializeCodePageOptions, initializ
 import { initializeFormSubmits } from './auth';
 import { setClientMessageLanguage } from './client-messages';
 import { logs } from './logs';
-import { InitializeAdminStatsOptions, InitializeClassStatsPageOptions, stats } from './statistics';
 import { initializeClassOverviewPage, InitializeClassOverviewPageOptions, initializeCustomizeClassPage, InitializeCustomizeClassPageOptions, initializeTeacherPage, InitializeTeacherPageOptions } from './teachers';
 import { initializeTutorial } from './tutorials/tutorial';
 
@@ -53,9 +52,7 @@ type InitializePageOptions =
   | InitializeTeacherPageOptions
   | InitializeViewProgramPageOptions
   | InitializeClassOverviewPageOptions
-  | InitializeAdminStatsOptions
   | InitializeAdminUsersPageOptions
-  | InitializeClassStatsPageOptions
   ;
 
 
@@ -95,14 +92,6 @@ export function initialize(options: InitializeOptions) {
       initializeViewProgramPage(options.javascriptPageOptions);
       break;
 
-    case 'admin-stats':
-      stats.initializeAdminStats();
-      break;
-
-    case 'class-stats':
-      stats.initializeClassStats();
-      break;
-
     case 'admin-users':
       initializeAdminUserPage(options.javascriptPageOptions);
       break;
@@ -112,4 +101,4 @@ export function initialize(options: InitializeOptions) {
   if (options.logs) {
     logs.initialize();
   }
-}
+}

templates/admin/admin.html

@@ -5,11 +5,8 @@
     <h1 class="text-center">Admin overview</h1>
     <div class="flex flex-wrap gap-4 items-center justify-center">
         <button class="green-btn p-4"  id="users_button" onclick="window.open('/admin/users', '_self')">Users overview</button>
-        <button class="green-btn p-4"  onclick="window.open('/admin/classes', '_self')">Classes overview</button>
         <button class="green-btn p-4"  onclick="window.open('/admin/adventures', '_self')">Adventures overview</button>
         <button class="green-btn p-4"  onclick="window.open('/admin/achievements', '_self')">Achievements overview</button>
-        <button class="green-btn p-4"  onclick="window.open('/admin/stats', '_self')">Statistics</button>
-        <button class="green-btn p-4"  onclick="window.open('/admin/logs', '_self')">Logs</button>
     </div>
 </div>
 {% endblock %}