klte-common: Remove tty_enabled from Telephony

* This is now set in qcom-common

Change-Id: Ie148e3301400402d27671754c3b9e74cf37b13c5
klte-common: Remove WAKE_DROPPED flags from keylayouts

* This flag is deprecated

Change-Id: I0009934c86746c94c8a57a93be85009cd3f72ff5