cmd/audio-player/looper: don't need to deal with stdout to file anymore in rc.local now that we're using the lumberjack logger

cmd/audio-player/looper/rc.local

@@ -1,9 +1,6 @@
 #!/bin/sh -e
 # /etc/rc.local
 # This script launches audio looper at boot time
-
-exec 2> /tmp/rc.local.log      # send stderr from rc.local to a log file
-exec 1>&2                      # send stdout to the same log file
 printf "rc.local started"      # show start of execution
 set -x                         # tell sh to display commands before execution