Remove the unused hidden methods from WifiManager. BUG: 29449615 TEST: Compiles, boots up. Change-Id: Ie7e6f438b23a368e44d35390267d5505e12bb75e
Remove the unused hidden methods from WifiManager. BUG: 29449615 TEST: Compiles, boots up. Change-Id: Ie7e6f438b23a368e44d35390267d5505e12bb75e