drm/xe: Remove duplicate DRM_EXEC selection from Kconfig

There are 2 identical "select DRM_EXEC" lines for DRM_XE.
Remove one to clean up the configuration.

Fixes: d490ecf ("drm/xe: Rework xe_exec and the VM rebind worker to use the drm_exec helper")
Cc: Thomas Hellström <[email protected]>
Cc: Lucas De Marchi <[email protected]>
Signed-off-by: Shuicheng Lin <[email protected]>
Reviewed-by: Nitin Gote <[email protected]>
Reviewed-by: Lucas De Marchi <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Lucas De Marchi <[email protected]>
(cherry picked from commit b1aa02acd03bfef3ed39c511d33c4a4303d2f9b1)
Signed-off-by: Lucas De Marchi <[email protected]>

Author: ShuichengLin

drivers/gpu/drm/xe/Kconfig

@@ -13,7 +13,6 @@ config DRM_XE
 	select TMPFS
 	select DRM_BUDDY
 	select DRM_CLIENT_SELECTION
-	select DRM_EXEC
 	select DRM_KMS_HELPER
 	select DRM_KUNIT_TEST_HELPERS if DRM_XE_KUNIT_TEST != n
 	select DRM_PANEL