be2net: remove unused old custom busy-poll fields

be2net: remove unused old custom busy-poll fields

Orabug: 29475071

The commit fb6113e688e0 ("be2net: get rid of custom busy poll code")
replaced custom busy-poll code by the generic one but left several
macros and fields in struct be_eq_obj that are currently unused.
Remove this stuff.

Fixes: fb6113e688e0 ("be2net: get rid of custom busy poll code")
Signed-off-by: Ivan Vecera <cera@cera.cz>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Brian Maly <brian.maly@oracle.com>
Reviewed-by: John Donnelly <John.p.donnelly@oracle.com>
Signed-off-by: Brian Maly <brian.maly@oracle.com>