remove unused viewClass in PTR constructor

Author: maxme

WordPressUtils/src/main/java/org/wordpress/android/util/ptr/PullToRefreshHelper.java

@@ -32,17 +32,15 @@ public class PullToRefreshHelper implements OnRefreshListener {
     private RefreshListener mRefreshListener;
     private WeakReference<Activity> mActivityRef;
 
-    public PullToRefreshHelper(Activity activity, SwipeRefreshLayout swipeRefreshLayout, RefreshListener listener) {
-        init(activity, swipeRefreshLayout, listener, null);
+    public interface RefreshListener {
+        public void onRefreshStarted();
     }
 
-    public PullToRefreshHelper(Activity activity, SwipeRefreshLayout swipeRefreshLayout, RefreshListener listener,
-                               java.lang.Class<?> viewClass) {
-        init(activity, swipeRefreshLayout, listener, viewClass);
+    public PullToRefreshHelper(Activity activity, SwipeRefreshLayout swipeRefreshLayout, RefreshListener listener) {
+        init(activity, swipeRefreshLayout, listener);
     }
 
-    public void init(Activity activity, SwipeRefreshLayout swipeRefreshLayout, RefreshListener listener,
-                     java.lang.Class<?> viewClass) {
+    public void init(Activity activity, SwipeRefreshLayout swipeRefreshLayout, RefreshListener listener) {
         mActivityRef = new WeakReference<Activity>(activity);
         mRefreshListener = listener;
         mSwipeRefreshLayout = swipeRefreshLayout;
@@ -67,10 +65,6 @@ public void onRefresh() {
         mRefreshListener.onRefreshStarted();
     }
 
-    public interface RefreshListener {
-        public void onRefreshStarted();
-    }
-
     public void setEnabled(boolean enabled) {
         mSwipeRefreshLayout.setEnabled(enabled);
     }