Remove unused deprecatedPropType module from react-native

Summary: Changelog: [internal] Removed unused internal deprecatedPropType module

Reviewed By: christophpurrer

Differential Revision: D43116885

fbshipit-source-id: 6833f104e8b2d818a04dd957d1a219776355606e

Libraries/Utilities/deprecatedPropType.js

@@ -1,36 +0,0 @@
-/**
- * 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.
- *
- * @format
- * @flow strict-local
- */
-
-import UIManager from '../ReactNative/UIManager';
-
-/**
- * Adds a deprecation warning when the prop is used.
- */
-function deprecatedPropType(
-  propType: ReactPropsCheckType,
-  explanation: string,
-): ReactPropsCheckType {
-  return function validate(props, propName, componentName, ...rest) {
-    // Don't warn for native components.
-    if (
-      global.RN$Bridgeless !== true &&
-      !UIManager.hasViewManagerConfig(componentName) &&
-      props[propName] !== undefined
-    ) {
-      console.warn(
-        `\`${propName}\` supplied to \`${componentName}\` has been deprecated. ${explanation}`,
-      );
-    }
-
-    return propType(props, propName, componentName, ...rest);
-  };
-}
-
-module.exports = deprecatedPropType;