- Remove empty wrappers ether_poll_[de]register_drv(). [1]
- Move polling(9) declarations out of ifq.h back to if_var.h
  they are absolutely unrelated to queues.

Submitted by:	Mikhail <mp lenta.ru> [1]


git-svn-id: svn+ssh://svn.freebsd.org/base/head@272257 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f