Remove NativeRunnableDeprecated (#27529)

Summary:
The class was deprecated in 2016 and is blocking an upgrade to fbjni
which no longer supports the `Countable` class this extends.

Changelog:
[Android] [Removed] - NativeRunnableDeprecated
Pull Request resolved: https://github.com/facebook/react-native/pull/27529

Test Plan: No references to it in this codebase.

Reviewed By: mdvacca

Differential Revision: D19087074

Pulled By: passy

fbshipit-source-id: a4ee73be7c13cedf1d86d2643f8e788ad4a2e31f

ReactAndroid/src/main/java/com/facebook/react/bridge/queue/NativeRunnableDeprecated.java

@@ -1,21 +0,0 @@
-/*
- * Copyright (c) Facebook, Inc. and its affiliates.
- *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
- */
-
-package com.facebook.react.bridge.queue;
-
-import com.facebook.jni.Countable;
-import com.facebook.proguard.annotations.DoNotStrip;
-
-/** A Runnable that has a native run implementation. */
-@DoNotStrip
-public class NativeRunnableDeprecated extends Countable implements Runnable {
-
-  @DoNotStrip
-  private NativeRunnableDeprecated() {}
-
-  public native void run();
-}