radv/winsys: remove useless errno.h includes

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/11269>

src/amd/vulkan/winsys/amdgpu/radv_amdgpu_cs.c

@@ -24,7 +24,6 @@
 
 #include <amdgpu.h>
 #include <assert.h>
-#include <errno.h>
 #include <pthread.h>
 #include <stdlib.h>
 #include "drm-uapi/amdgpu_drm.h"

src/amd/vulkan/winsys/amdgpu/radv_amdgpu_surface.c

@@ -26,8 +26,6 @@
  * IN THE SOFTWARE.
  */
 
-#include <errno.h>
-
 #include "util/bitset.h"
 #include "radv_amdgpu_surface.h"
 #include "radv_amdgpu_winsys.h"