Revert "updates"

This reverts commit cad2e74bad14e239a2f41fea8e3b2fc5b6601638.
Revert "msm8660/ruby: add /dev/hci_tty module for userspace BT in 4.2.1"

This reverts commit 133b9b035be38ccc5aa4393cadb76115bb9e5f00.