[auth] disable Vk and FB login on admin/manager backend
[auth] disable Vk and FB login on admin/manager backend

Signed-off-by: Oleg Marichev <de32858d0404e1d89264f9b18fc16a30f9808fb7@gmail.com>

energine-cmf/energine,energine-cmf/energine,energine-cmf/energine