Framework: Exclude Babel processing by build script flag

package.json

@@ -163,7 +163,7 @@
 		"clean:packages": "rimraf ./packages/*/build ./packages/*/build-module ./packages/*/build-style ./packages/*/node_modules",
 		"prebuild:packages": "npm run clean:packages && lerna run build",
 		"build:packages": "node ./bin/packages/build.js",
-		"build": "npm run build:packages && wp-scripts build",
+		"build": "npm run build:packages && wp-scripts build --no-babel",
 		"check-engines": "wp-scripts check-engines",
 		"check-licenses": "concurrently \"wp-scripts check-licenses --prod --gpl2\" \"wp-scripts check-licenses --dev\"",
 		"precheck-local-changes": "npm run docs:build",

webpack.config.js

@@ -39,12 +39,6 @@ module.exports = {
 		library: [ 'wp', '[name]' ],
 		libraryTarget: 'this',
 	},
-	// Despite being empty, this must exist as an entry to override the default
-	// configuration. Gutenberg does not inherit the same Webpack rules as in
-	// the default. Notably, it does not require Babel processing because the
-	// files are transpiled by `npm run build:packages` before being processed
-	// by Webpack.
-	module: {},
 	plugins: [
 		...defaultConfig.plugins,
 		new DefinePlugin( {