Revert "add wifi defines"

This reverts commit 345b7f08d3aebb9c0ab6e9caaa5c87a51d13dbb3.
Revert "pull out more configs"

This reverts commit e02d975dc5f9c0bba123cbb1cb985f0b9560e232.
Revert "pull out wifi configs"

This reverts commit 9517e79def4f08381aa518fb19bb405ff6124cb3.
ruby: change back to 7x for test