[SCSI] ufs: Remove redundant platform_set_drvdata()

Commit 0998d06310 (device-core: Ensure drvdata = NULL when no
driver is bound) removes the need to set driver data field to
NULL.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Santosh Y <santoshsy@gmail.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>

drivers/scsi/ufs/ufshcd-pltfrm.c

@@ -184,7 +184,6 @@ static int ufshcd_pltfrm_remove(struct platform_device *pdev)
 		mem_size = resource_size(mem_res);
 		release_mem_region(mem_res->start, mem_size);
 	}
-	platform_set_drvdata(pdev, NULL);
 	return 0;
 }