Removing useless info line on specific exception

On an exception it always says
"INFO: Use the -h option to see usage."
but this is not always useful

Change-Id: Ie4ff43555cb8105e27a83ef8dff5b7df42038ae1
Bug-Url: https://bugzilla.redhat.com/1023507
Signed-off-by: Simone Tiraboschi <stirabos@redhat.com>