remove some imports no longer needed.

native/Avalonia.Native/src/OSX/WindowBaseImpl.mm

@@ -8,9 +8,7 @@
 #import "window.h"
 #import "AvnView.h"
 #include "menu.h"
-#include "rendertarget.h"
 #include "automation.h"
-#import "WindowBaseImpl.h"
 #import "cursor.h"
 #include "ResizeScope.h"
 #import "AutoFitContentView.h"

native/Avalonia.Native/src/OSX/WindowImpl.mm

@@ -9,7 +9,6 @@
 #import "AvnView.h"
 #include "automation.h"
 
-
 WindowImpl::WindowImpl(IAvnWindowEvents *events, IAvnGlContext *gl) : WindowBaseImpl(events, gl) {
     _isClientAreaExtended = false;
     _extendClientHints = AvnDefaultChrome;

native/Avalonia.Native/src/OSX/window.mm

@@ -1,15 +1,11 @@
 #import <AppKit/AppKit.h>
 #include "common.h"
 #import "window.h"
-#include "KeyTransform.h"
 #include "menu.h"
-#include "rendertarget.h"
 #include "automation.h"
 #import "WindowBaseImpl.h"
 #include "WindowImpl.h"
 #include "AvnView.h"
-#include "AutoFitContentView.h"
-
 
 @implementation AvnWindow
 {