scsi: ufs: core: Remove wlun_dev_to_hba()

Commit edc0596c ("scsi: ufs: core: Stop clearing UNIT ATTENTIONS")
removed all callers of wlun_dev_to_hba(). Hence also remove the macro
itself.

Link: https://lore.kernel.org/r/1891546521.01644927481711.JavaMail.epsvc@epcpadp4Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Keoseong Park <keosung.park@samsung.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/ufs/ufshcd.c

@@ -83,8 +83,6 @@
 /* Polling time to wait for fDeviceInit */
 #define FDEVICEINIT_COMPL_TIMEOUT 1500 /* millisecs */
 
-#define wlun_dev_to_hba(dv) shost_priv(to_scsi_device(dv)->host)
-
 #define ufshcd_toggle_vreg(_dev, _vreg, _on)				\
 	({                                                              \
 		int _ret;                                               \