drm: remove unreachable code in drm_sysfs.c

This code was never going to get called in there.

Signed-off-by: Jonas Bonn <jonas@southpole.se>
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/drivers/gpu/drm/drm_sysfs.c b/drivers/gpu/drm/drm_sysfs.c
index 022876a..8f93729 100644
--- a/drivers/gpu/drm/drm_sysfs.c
+++ b/drivers/gpu/drm/drm_sysfs.c
@@ -489,9 +489,7 @@
 
 	return 0;
 
-	device_unregister(&minor->kdev);
 err_out:
-
 	return err;
 }