Revert "pkt_sched: Protect gen estimators under est_lock."

This reverts commit d4766692e72422f3b0f0e9ac6773d92baad07d51.

qdisc_destroy() now runs in RTNL fully again, so this
change is no longer needed.

Signed-off-by: David S. Miller <davem@davemloft.net>
1 file changed