added partymodeID to all elements, fixed bug in buttons (text was drawn twice)

Output/PartyModes/Challenge/Code/PartyScreenChallengeMain.cs

@@ -29,22 +29,6 @@ namespace Vocaluxe.PartyModes
 			base.LoadTheme(XmlPath);
         }
 
-        public override void ReloadTheme()
-        {
-        }
-
-        public override void ReloadTextures()
-        {
-        }
-
-        public override void SaveTheme()
-        {
-        }
-
-        public override void UnloadTextures()
-        {
-        }
-
         public override bool HandleInput(KeyEvent KeyEvent)
         {
             base.HandleInput(KeyEvent);