drm/xe/configfs: Don't touch survivability_mode on fini

This is a user controlled configfs attribute, we should not
modify that outside the configfs attr.store() implementation.

Fixes: bc417e54e24b ("drm/xe: Enable configfs support for survivability mode")
Signed-off-by: Michal Wajdeczko <[e-mail]>
Cc: Lucas De Marchi <[e-mail]>
Cc: Riana Tauro <[e-mail]>
Reviewed-by: Stuart Summers <[e-mail]>
Reviewed-by: Lucas De Marchi <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
(cherry picked from commit 079a5c83dbd23db7a6eed8f558cf75e264d8a17b)
Signed-off-by: Rodrigo Vivi <[e-mail]>

drivers/gpu/drm/xe/xe_survivability_mode.c

···
  *
  *	# echo 1 > /sys/kernel/config/xe/0000:03:00.0/survivability_mode
  *
+ * It is the responsibility of the user to clear the mode once firmware flash is complete.
+ *
  * Refer :ref:`xe_configfs` for more details on how to use configfs
  *
  * Survivability mode is indicated by the below admin-only readable sysfs which provides additional
···
 	struct pci_dev *pdev = to_pci_dev(xe->drm.dev);
 	struct device *dev = &pdev->dev;
 
-	xe_configfs_clear_survivability_mode(pdev);
 	sysfs_remove_file(&dev->kobj, &dev_attr_survivability_mode.attr);
 }