[Android] Simplify if statement conditions for the item click listene…

…r in FolderBrowser.java.

Since FolderBrowserItems have an 'isDirectory()' method, that's all we need to care about now. There's no need to check subtitles to determine if an item is a directory anymore.

Source/Android/src/org/dolphinemu/dolphinemu/FolderBrowser.java

@@ -96,7 +96,7 @@ public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle sa
 		public void onItemClick(AdapterView<?> parent, View view, int position, long id)
 		{
 			FolderBrowserItem item = adapter.getItem(position);
-			if(item.isDirectory() || item.getSubtitle().equalsIgnoreCase(getString(R.string.parent_directory)))
+			if(item.isDirectory())
 			{
 				currentDir = new File(item.getPath());
 				Fill(currentDir);