Remove unused functions. Specifically, vnic_set_rss_key() is
obsolete. enic_{add,del}_vlan() has never been supported in the
firmware. And, remove vnic_rss.c altogether as it becomes empty. These
were discovered by cppcheck.
Signed-off-by: Hyong Youb Kim <hyonkim@cisco.com>
Reviewed-by: John Daley <johndale@cisco.com>
0d0dcd64b8