chore: fix android dev build error

packages/mobile/android/app/src/main/java/com/standardnotes/ReactNativeFlipper.java

@@ -1,18 +0,0 @@
-/**
- * Copyright (c) Meta Platforms, Inc. and affiliates.
- *
- * <p>This source code is licensed under the MIT license found in the LICENSE file in the root
- * directory of this source tree.
- */
-package com.standardnotes;
-import android.content.Context;
-import com.facebook.react.ReactInstanceManager;
-/**
- * Class responsible of loading Flipper inside your React Native application. This is the release
- * flavor of it so it's empty as we don't want to load Flipper.
- */
-public class ReactNativeFlipper {
-  public static void initializeFlipper(Context context, ReactInstanceManager reactInstanceManager) {
-    // Do nothing as we don't want to initialize Flipper on Release.
-  }
-}