[LOCAL] Remove license header from android/app/build.gradle (#37514)

Author: cortinico

packages/react-native/template/android/app/build.gradle

@@ -1,10 +1,3 @@
-/*
- * Copyright (c) Meta Platforms, Inc. and affiliates.
- *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
- */
-
 apply plugin: "com.android.application"
 apply plugin: "com.facebook.react"