Fix onListScrolledToBottom not working when items were removed.

Not sure why I had getUnfilteredDisplaySize and why it was only used for scrolled to bottom.

Clover/app/src/main/java/org/floens/chan/ui/adapter/PostAdapter.java

@@ -131,20 +131,6 @@ public class PostAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
         return size;
     }
 
-    public int getUnfilteredDisplaySize() {
-        int size = sourceList.size();
-
-        if (showStatusView()) {
-            size++;
-        }
-
-        if (lastSeenIndicatorPosition >= 0) {
-            size++;
-        }
-
-        return size;
-    }
-
     @Override
     public int getItemViewType(int position) {
         if (position == lastSeenIndicatorPosition) {

Clover/app/src/main/java/org/floens/chan/ui/layout/ThreadListLayout.java

@@ -113,7 +113,7 @@ public class ThreadListLayout extends FrameLayout implements ReplyLayout.ReplyLa
                     showingThread.loadable.setListViewTop(indexTop[1]);
 
                     int last = getCompleteBottomAdapterPosition();
-                    if (last == postAdapter.getUnfilteredDisplaySize() - 1 && last > lastPostCount) {
+                    if (last == postAdapter.getItemCount() - 1 && last > lastPostCount) {
                         lastPostCount = last;
                         ThreadListLayout.this.callback.onListScrolledToBottom();
                     }