Remove unwanted comma

Change-Id: I9c09ef9cf25949b37035c58f7c8550e30fa3442b

src/jquery.uls.regionfilter.js

@@ -123,7 +123,7 @@
 			}
 
 			$target.append( langCode, region );
-		},
+		}
 	};
 
 	$.uls.RegionSelector = RegionSelector;