Clean out unnecessary #includes in Cocoa widget nsToolkit. b=325666 r=mento

widget/src/cocoa/nsToolkit.h

@@ -40,8 +40,6 @@
 
 #include "nsToolkitBase.h"
 
-#include "nsCOMPtr.h"
-
 /**
  * The toolkit abstraction is necessary because the message pump must
  * execute within the same thread that created the widget under Win32.
@@ -79,5 +77,4 @@ protected:
 
 };
 
-
 #endif  // TOOLKIT_H

widget/src/cocoa/nsToolkit.mm

@@ -36,20 +36,6 @@
  * ***** END LICENSE BLOCK ***** */
 
 #include "nsToolkit.h"
-#include "nsWidgetAtoms.h"
-
-#include <Gestalt.h>
-#include <Appearance.h>
-
-#include "nsIEventQueue.h"
-#include "nsIEventQueueService.h"
-#include "nsIServiceManager.h"
-#include "nsIPref.h"
-
-// for some reason, this must come last. otherwise the appshell 
-// component fails to instantiate correctly at runtime.
-#undef DARWIN
-#import <Cocoa/Cocoa.h>
 
 //-------------------------------------------------------------------------
 //