Merge pull request #7 from Gp2mv3/master

Fix compatibility issue RN 0.47+

Author: Aminoid

android/src/main/java/com/xebia/activityrecognition/RNActivityRecognitionPackage.java

@@ -11,10 +11,6 @@
 import java.util.List;
 
 public class RNActivityRecognitionPackage implements ReactPackage {
-    @Override
-    public List<Class<? extends JavaScriptModule>> createJSModules() {
-        return Collections.emptyList();
-    }
 
     @Override
     public List<ViewManager> createViewManagers(ReactApplicationContext reactContext) {