Revert "drm/qxl: do not run release if qxl failed to init"

This reverts commit b91907a6.

Patch is broken, it effectively makes qxl_drm_release() a nop
because on normal driver shutdown qxl_drm_release() is called
*after* drm_dev_unregister().

Fixes: b91907a6 ("drm/qxl: do not run release if qxl failed to init")
Cc: Tong Zhang <ztong0001@gmail.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: http://patchwork.freedesktop.org/patch/msgid/20210204145712.1531203-3-kraxel@redhat.com

drivers/gpu/drm/qxl/qxl_drv.c

@@ -144,8 +144,6 @@ static void qxl_drm_release(struct drm_device *dev)
 	 * reodering qxl_modeset_fini() + qxl_device_fini() calls is
 	 * non-trivial though.
 	 */
-	if (!dev->registered)
-		return;
 	qxl_modeset_fini(qdev);
 	qxl_device_fini(qdev);
 }