target: Drop duplicate + unused se_dev_check_wce

Reported-by: kbuild test robot <fengguang.wu@intel.com>
Reported-by: Bart Van Assche <bart.vanassche@sandisk.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>

drivers/target/target_core_device.c

@@ -538,18 +538,6 @@ static u32 se_dev_align_max_sectors(u32 max_sectors, u32 block_size)
 	return aligned_max_sectors;
 }
 
-bool se_dev_check_wce(struct se_device *dev)
-{
-	bool wce = false;
-
-	if (dev->transport->get_write_cache)
-		wce = dev->transport->get_write_cache(dev);
-	else if (dev->dev_attrib.emulate_write_cache > 0)
-		wce = true;
-
-	return wce;
-}
-
 int core_dev_add_lun(
 	struct se_portal_group *tpg,
 	struct se_device *dev,