Back out "Add enum example to Android/iOS rn-tester TurboModule" (#35089)

Summary:
Pull Request resolved: https://github.com/facebook/react-native/pull/35089

Changelog:
[General][Fixed] - Back out "Add enum example to Android/iOS rn-tester TurboModule"

This broke the rn-tester adding due to an invalid flow-enum setup. Needs further investigation

Reviewed By: cipolleschi

Differential Revision: D40714320

fbshipit-source-id: 9831276762f90df0ffaca3304382fe5925009343

ReactCommon/react/nativemodule/samples/platform/android/SampleTurboModule.java

@@ -48,14 +48,6 @@ public class SampleTurboModule extends NativeSampleTurboModuleSpec {
     return arg;
   }
 
-  @DoNotStrip
-  @SuppressWarnings("unused")
-  @Override
-  public double getEnum(double arg) {
-    log("getEnum", arg, arg);
-    return arg;
-  }
-
   @Override
   protected Map<String, Object> getTypedExportedConstants() {
     Map<String, Object> result = new HashMap<>();