Revert "Enable SVDO. (2/2)"

This reverts commit c9b8d470f71ae2cbbe1c6a682aae1badeacb3b96.
Revert "TelephonyProperties: Alpha ID fix for OPEN_CHANNEL and other p-commands (1/2)"

This reverts commit fa3b17a44a84e51883bcff7a3e760390679f5bc9.