Revert "wifi: add rx filter init to fix broken unicast/broadcast (tiwlan)"

This reverts commit eb222b711834c3156110b90fbc11779f71c7bebf.
Revert "wifi tethering"

This reverts commit cc817ccaf9065e43d382110e701c0dbb07b75d15.
Revert "Wifi: Fix the resume problem with wpa6 devices, for jb"

This reverts commit 444adb3e9ec6ec45a512e90cc1a0a689350a49c7.