Add link_id check while aggregatin stats into vdev at
time of peer unmap, otherwise vdev stats are aggregated
twice and hence give incorrect output.
Also comment out link_id fetch in BE Rx path as it is
currently not enabled.
Change-Id: I91ceab4c6380bbd6e0cb2717adb2413e9e8e4221
CRs-Fixed: 3435688