chore(ci): turn off verbose logging for sauce connect

We have not used the verbose data from these logs for months,
and it makes the Travis UI very slow.

Author: juliemr

lib/saucelabs/start_tunnel.sh

@@ -46,5 +46,5 @@ echo "Starting Sauce Connect in the background, logging into:"
 echo "  $CONNECT_LOG"
 echo "  $CONNECT_STDOUT"
 echo "  $CONNECT_STDERR"
-sauce-connect/bin/sc -u $SAUCE_USERNAME -k $SAUCE_ACCESS_KEY $ARGS -v \
+sauce-connect/bin/sc -u $SAUCE_USERNAME -k $SAUCE_ACCESS_KEY $ARGS \
   --logfile $CONNECT_LOG 2> $CONNECT_STDERR 1> $CONNECT_STDOUT &