Delete ReactNativeNewArchitectureFeatureFlags.isNewArchitectureStrictModeEnabled() (#52650)

Summary:
Pull Request resolved: #52650

ReactNativeNewArchitectureFeatureFlags.isNewArchitectureStrictModeEnabled() is unused, let's delete it

changelog: [internal] internal

Reviewed By: arushikesarwani94

Differential Revision: D78438409

fbshipit-source-id: 8208ae0d3f59e6a3197643e4a7610db3116eb1c6

Author: mdvacca

packages/react-native/ReactAndroid/src/main/java/com/facebook/react/internal/featureflags/ReactNativeNewArchitectureFeatureFlags.kt

@@ -23,10 +23,6 @@ import com.facebook.react.common.build.ReactBuildConfig
 @SuppressLint("UseReactNativeNewArchitectureFeatureFlagDetector")
 public object ReactNativeNewArchitectureFeatureFlags {
 
-  @JvmStatic
-  public fun isNewArchitectureStrictModeEnabled(): Boolean =
-      ReactBuildConfig.UNSTABLE_ENABLE_MINIFY_LEGACY_ARCHITECTURE
-
   @JvmStatic
   public fun enableBridgelessArchitecture(): Boolean {
     if (ReactBuildConfig.UNSTABLE_ENABLE_MINIFY_LEGACY_ARCHITECTURE) {