net/sched: Removed unused vlan actions definition

Commit c7e2b968 "sched: introduce vlan action" added both the
UAPI values for the vlan actions (TCA_VLAN_ACT_) and these two
in-kernel ones which are not used, remove them.
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Reviewed-by: Simon Horman <simon.horman@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

include/net/tc_act/tc_vlan.h

@@ -13,9 +13,6 @@
 #include <net/act_api.h>
 #include <linux/tc_act/tc_vlan.h>
 
-#define VLAN_F_POP		0x1
-#define VLAN_F_PUSH		0x2
-
 struct tcf_vlan {
 	struct tc_action	common;
 	int			tcfv_action;