Remove Constructor attributes on DOMWindow because of [EnabledAtRuntime]

Source/core/dom/TouchList.idl

 /*
  * Copyright 2008, The Android Open Source Project
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
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 [
-    NoInterfaceObject
+    EnabledAtRuntime=touch
 ] interface TouchList {
     readonly attribute unsigned long length;
 
     getter Touch item(unsigned long index);
 };