vlan: kill vlan_put_tag helper

Since both tx and rx paths work with skb->vlan_tci, there's no need for
this function anymore. Switch users directly to __vlan_hwaccel_put_tag.

Signed-off-by: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/usb/cdc_mbim.c b/drivers/net/usb/cdc_mbim.c
index 5ee7a1d..96fc8a5 100644
--- a/drivers/net/usb/cdc_mbim.c
+++ b/drivers/net/usb/cdc_mbim.c
@@ -402,7 +402,7 @@
 
 	/* map MBIM session to VLAN */
 	if (tci)
-		vlan_put_tag(skb, htons(ETH_P_8021Q), tci);
+		__vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), tci);
 err:
 	return skb;
 }