scsi: ufs: core: Remove irrelevant reference to non-existing doc

Remove all references to the description of __ufshcd_wl_{suspend,resume} as
no such description exist.

Fixes: b294ff3 (scsi: ufs: core: Enable power management for wlun)
Link: https://lore.kernel.org/r/20210603122209.635799-1-avri.altman@wdc.com
Signed-off-by: Avri Altman <avri.altman@wdc.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/ufs/ufshcd.c

@@ -9123,7 +9123,6 @@ static void ufshcd_wl_shutdown(struct device *dev)
  *
  * This function will put disable irqs, turn off clocks
  * and set vreg and hba-vreg in lpm mode.
- * Also check the description of __ufshcd_wl_suspend().
  */
 static int ufshcd_suspend(struct ufs_hba *hba)
 {
@@ -9159,7 +9158,6 @@ static int ufshcd_suspend(struct ufs_hba *hba)
  *
  * This function basically turns on the regulators, clocks and
  * irqs of the hba.
- * Also check the description of __ufshcd_wl_resume().
  *
  * Returns 0 for success and non-zero for failure
  */
@@ -9197,7 +9195,6 @@ static int ufshcd_resume(struct ufs_hba *hba)
  * @hba: per adapter instance
  *
  * Check the description of ufshcd_suspend() function for more details.
- * Also check the description of __ufshcd_wl_suspend().
  *
  * Returns 0 for success and non-zero for failure
  */
@@ -9249,7 +9246,6 @@ EXPORT_SYMBOL(ufshcd_system_resume);
  * @hba: per adapter instance
  *
  * Check the description of ufshcd_suspend() function for more details.
- * Also check the description of __ufshcd_wl_suspend().
  *
  * Returns 0 for success and non-zero for failure
  */