Update GUIPage.java

Author: miyabi033

src/main/java/dev/felnull/bettergui/core/GUIPage.java

@@ -59,10 +59,5 @@ public void onOutsideWindowRightClick(InventoryClickEvent e){}
     public void onOutsideWindowLeftClick(InventoryClickEvent e){}
 
     public void onOutsideWindowClick(InventoryClickEvent e){}
-
-    public void onOutsideWindowRightShiftClick(InventoryClickEvent e){}
-
-    public void onOutsideWindowLeftShiftClick(InventoryClickEvent e){}
-
-    public void onOutsideWindowShiftClick(InventoryClickEvent e){}
+    
 }