qcacld-3.0: Remove extra disconnection for tdls
When station does LFR3 roaming, tdls will get an extra disconnection
notification which is wrong, remove the notification because tdls has
got the disconnection and connection event when roaming is successful.
Change-Id: I7bc56dae5fd653a44d8ac19be19083528c987d8b
CRs-Fixed: 2308503