fix: make compatible with RN 0.47

BREAKING CHANGE: will not work for RN 0.46 and lower

Author: sondremare

android/src/main/java/ca/jaysoo/activityandroid/ActivityAndroidPackage.java

@@ -24,11 +24,6 @@ public List<NativeModule> createNativeModules(ReactApplicationContext reactConte
         );
     }
 
-    @Override
-    public List<Class<? extends JavaScriptModule>> createJSModules() {
-        return Collections.emptyList();
-    }
-
     @Override
     public List<ViewManager> createViewManagers(ReactApplicationContext reactContext) {
         return Arrays.asList();