drm/xe/pf: Fix kernel-doc warning in migration_save_consume

The kernel-doc for xe_sriov_pf_migration_save_consume() contained
multiple "Return:" sections, causing a warning.
Fix it by removing the extra line.

Fixes: 67df4a5 ("drm/xe/pf: Add data structures and handlers for migration rings")
Signed-off-by: Michał Winiarski <michal.winiarski@intel.com>
Reviewed-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Link: https://patch.msgid.link/20251114134030.1795947-1-michal.winiarski@intel.com
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
(cherry picked from commit 562b0f2)
Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>

Author: mwiniars

drivers/gpu/drm/xe/xe_sriov_pf_migration.c

@@ -148,8 +148,6 @@ pf_migration_consume(struct xe_device *xe, unsigned int vfid)
  * Return: Pointer to &xe_sriov_packet on success,
  *	   NULL if ring is empty and no more migration data is expected,
  *	   ERR_PTR value in case of error.
- *
- * Return: 0 on success or a negative error code on failure.
  */
 struct xe_sriov_packet *
 xe_sriov_pf_migration_save_consume(struct xe_device *xe, unsigned int vfid)