Revert "net: wireless: bcmdhd: Changed sync mechanism for batch get"

This reverts commit 5c6611d46a2a3cddc580eb856b6e756ed449c9c8.
Revert "net: wireless: bcmdhd: Fix Batch scan get bug"

This reverts commit 9615bf58aaa9e70797edef6806d769d26b62e95e.