Clean up unused functions on ReactContext

Summary: Removing the methods I recently added for storing/retrieving an instance key on a ReactContext.

Reviewed By: PeteTheHeat, mdvacca

Differential Revision: D18710637

fbshipit-source-id: d34683ec660bd999db8112865e15392606fc9237

ReactAndroid/src/main/java/com/facebook/react/bridge/ReactApplicationContext.java

@@ -20,15 +20,4 @@ public class ReactApplicationContext extends ReactContext {
   public ReactApplicationContext(Context context) {
     super(context.getApplicationContext());
   }
-
-  /**
-   * A constructor that takes a unique string identifier for the React instance. For bridgeless mode
-   * only - do not use.
-   *
-   * <p>TODO T43898341 Make this package-private once we've consolidated the classes that need this
-   * in this package
-   */
-  public ReactApplicationContext(Context context, String instanceKey) {
-    super(context.getApplicationContext(), instanceKey);
-  }
 }

ReactAndroid/src/main/java/com/facebook/react/bridge/ReactContext.java

@@ -55,20 +55,9 @@ public class ReactContext extends ContextWrapper {
   private @Nullable NativeModuleCallExceptionHandler mNativeModuleCallExceptionHandler;
   private @Nullable NativeModuleCallExceptionHandler mExceptionHandlerWrapper;
   private @Nullable WeakReference<Activity> mCurrentActivity;
-  private final @Nullable String mInstanceKey;
 
   public ReactContext(Context base) {
     super(base);
-    mInstanceKey = null;
-  }
-
-  /**
-   * A constructor that takes a unique string identifier for the React instance. For bridgeless mode
-   * only - do not use.
-   */
-  /* package */ ReactContext(Context base, String instanceKey) {
-    super(base);
-    mInstanceKey = instanceKey;
   }
 
   /** Set and initialize CatalystInstance for this Context. This should be called exactly once. */
@@ -433,14 +422,4 @@ public boolean startActivityForResult(Intent intent, int code, Bundle bundle) {
   public JavaScriptContextHolder getJavaScriptContextHolder() {
     return mCatalystInstance.getJavaScriptContextHolder();
   }
-
-  /**
-   * TODO T43898341 Make this package-private once we've consolidated the classes that need this in
-   * this package
-   *
-   * @return The key for the associated React instance
-   */
-  public @Nullable String getInstanceKey() {
-    return mInstanceKey;
-  }
 }

ReactAndroid/src/main/java/com/facebook/react/uimanager/ThemedReactContext.java

@@ -61,12 +61,6 @@ public boolean hasCurrentActivity() {
     return mReactApplicationContext.getCurrentActivity();
   }
 
-  @Nullable
-  @Override
-  public String getInstanceKey() {
-    return mReactApplicationContext.getInstanceKey();
-  }
-
   /**
    * @return a {@link String} that represents the ID of the js application that is being rendered
    *     with this {@link ThemedReactContext}