Remove babel class properties transform

Author: Gregoor

fluent-react/babel.config.js

@@ -11,7 +11,6 @@ module.exports = {
       "original": "fluent",
       "replacement": "fluent/compat"
     }],
-    "@babel/plugin-proposal-async-generator-functions",
-    "@babel/plugin-proposal-class-properties"
+    "@babel/plugin-proposal-async-generator-functions"
   ],
 };

fluent-react/package.json

@@ -56,7 +56,6 @@
   },
   "devDependencies": {
     "@babel/plugin-proposal-async-generator-functions": "^7.2.0",
-    "@babel/plugin-proposal-class-properties": "^7.7.4",
     "@babel/preset-env": "^7.5.5",
     "@babel/preset-react": "7.0.0",
     "babel-jest": "^24.8.0",

fluent-react/src/localization.js

@@ -17,7 +17,9 @@ export default class ReactLocalization {
     this.bundles = CachedSyncIterable.from(bundles);
   }
 
-  getBundle = id => mapBundleSync(this.bundles, id);
+  getBundle(id) {
+    return mapBundleSync(this.bundles, id);
+  }
 
   getString(id, args, fallback) {
     const bundle = this.getBundle(id);