git: igb: Fix ifmedia leakage on detach path.

[Sepherosa Ziehau]

commit fd8f9aa92b7e208e72e5530ea2282971a6a263aa
Author: Sepherosa Ziehau <sephe at dragonflybsd.org>
Date:   Wed Nov 25 14:40:42 2015 +0800

    igb: Fix ifmedia leakage on detach path.
    
    While I'm here, remove outdated code.

Summary of changes:
 sys/dev/netif/igb/if_igb.c | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/fd8f9aa92b7e208e72e5530ea2282971a6a263aa


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