Remove unneeded new RIL command.

Remove the recently added RIL_REQUEST_SET_RADIO_MODE command and update
the definition of the RIL_REQUEST_NV_RESET_CONFIG parameter.
Also remove some accidentally added debug log lines.

Bug: 12864208
Change-Id: I6f035d6900c9fcb1427bad62057d7b4a1d3cd99c