Remove Community CLI platform config (upstreamed)

Author: huntie

packages/react-native/package.json

@@ -78,7 +78,6 @@
     "LICENSE",
     "React-Core.podspec",
     "React-Core-prebuilt.podspec",
-    "react-native.config.js",
     "React.podspec",
     "React",
     "!React/Fabric/RCTThirdPartyFabricComponentsProvider.*",

packages/react-native/react-native.config.js

@@ -10,12 +10,7 @@
 
 'use strict';
 
-// Inside the React Native monorepo, we need to explicitly extend the base
-// CLI config as the adjacent package will not be conventionally discovered.
-const config = require('../react-native/react-native.config.js');
-
 module.exports = {
-  ...config,
   reactNativePath: '../react-native',
   project: {
     ios: {