[gtk/wip/chergert/macos-iosurface] remove cairo view

[Christian Hergert <chergert src gnome org>]

commit 062a6a5b23f8909a372fbfadd3b9583a42c37dcc
Author: Christian Hergert <christian hergert me>
Date:   Wed Feb 9 14:29:51 2022 -0800

    remove cairo view

 gdk/macos/GdkMacosCairoSubview.c | 167 -------------------------
 gdk/macos/GdkMacosCairoSubview.h |  39 ------
 gdk/macos/GdkMacosCairoView.c    | 258 ---------------------------------------
 gdk/macos/GdkMacosCairoView.h    |  37 ------
 gdk/macos/meson.build            |   2 -
 5 files changed, 503 deletions(-)
---
diff --git a/gdk/macos/meson.build b/gdk/macos/meson.build
index a7f15b4557..cc89252812 100644
--- a/gdk/macos/meson.build
+++ b/gdk/macos/meson.build
@@ -28,8 +28,6 @@ gdk_macos_sources = files([
   'GdkMacosSuperView.c',
   'GdkMacosWindow.c',
 
-  'GdkMacosCairoView.c',
-  'GdkMacosCairoSubview.c',
   'GdkMacosGLView.c',
 ])