Remove Undocumented system property used to enable SBS API from launc…

…h arguments com.mapbox.mapboxsearch.enableSBS (#195)

### Description
- Removed in beta.33
- More thoroughly parameterized in 2.0.0-rc.2 / SSDK-544 / PR #162

#### Screenshots

| Before | After |
| -- | -- |
| <img width="1254" alt="Screenshot 2024-03-20 at 13 47 09" src="https://github.com/mapbox/mapbox-search-ios/assets/384288/ddd96362-00d9-4dba-b08a-697be1389124"> | <img width="1254" alt="Screenshot 2024-03-20 at 13 46 21" src="https://github.com/mapbox/mapbox-search-ios/assets/384288/86be713e-5d44-4fe2-bca7-c102ba78a0d6"> |

Examples/SearchExamples.xcodeproj/xcshareddata/xcschemes/SearchExamples.xcscheme

@@ -50,12 +50,6 @@
             ReferencedContainer = "container:SearchExamples.xcodeproj">
          </BuildableReference>
       </BuildableProductRunnable>
-      <CommandLineArguments>
-         <CommandLineArgument
-            argument = "-com.mapbox.mapboxsearch.enableSBS YES"
-            isEnabled = "NO">
-         </CommandLineArgument>
-      </CommandLineArguments>
       <EnvironmentVariables>
          <EnvironmentVariable
             key = "OS_ACTIVITY_DT_MODE"

MapboxSearch.xcodeproj/xcshareddata/xcschemes/Demo.xcscheme

@@ -118,12 +118,6 @@
             ReferencedContainer = "container:MapboxSearch.xcodeproj">
          </BuildableReference>
       </BuildableProductRunnable>
-      <CommandLineArguments>
-         <CommandLineArgument
-            argument = "-com.mapbox.mapboxsearch.enableSBS YES"
-            isEnabled = "YES">
-         </CommandLineArgument>
-      </CommandLineArguments>
       <EnvironmentVariables>
          <EnvironmentVariable
             key = "OS_ACTIVITY_DT_MODE"