Remove parse_radio_log

parse_radio_log does not seem to be available:
"*** command 'parse_radio_log /proc/last_radio_log' failed: exit code 1"

BUG: 29319732
Test: `adb bugreport` and verified the error is not there.
Change-Id: I7f697d1da788818f3db7efa92fe71ed7470bc5dc