Vulkan: Move Wayland/HDR support out of experimental

This PR moves Wayland/HDR support out of experimental.
This allows more people to test and provide feedback. We
can always decide later to disable it for the release, but so
far we only got positive feedback.

Pull Request: https://projects.blender.org/blender/blender/pulls/141666

scripts/startup/bl_ui/space_userpref.py

@@ -2880,13 +2880,6 @@ class USERPREF_PT_experimental_prototypes(ExperimentalPanel, Panel):
                 ({"property": "write_legacy_blend_file_format"}, ("/blender/blender/issues/129309", "#129309")),
             ),
         )
-        import sys
-        if sys.platform == "linux":
-            self._draw_items(
-                context, (
-                    ({"property": "use_vulkan_hdr"}, ("/blender/blender/issues/140277", "#140277")),
-                ),
-            )
 
 
 # Keep this as tweaks can be useful to restore.