Revert "merge patches to LegacyMod"

Change-Id: I130d04c9cb8b6b0f5901476f656161ba573964a8
update patches

Change-Id: I29698627c3556126ba444353b2b9c0b0bab85a97
not use custom wifi

Change-Id: Id8da6536350045ea6c1c82cadf56262b318daded
add patch for chromium

Change-Id: Ib3e5fee09ae0f24e4a75efec822270406822f69b