GUACAMOLE-465: Remove superfluous access check prior to attempting file deletion.
GUACAMOLE-465: Remove superfluous access check prior to attempting file deletion.

mike-jumper/incubator-guacamole-server,apache/guacamole-server,glyptodon/guacamole-server,glyptodon/guacamole-server,mike-jumper/incubator-guacamole-server,apache/guacamole-server,glyptodon/guacamole-server,mike-jumper/incubator-guacamole-server,apache/guacamole-server,mike-jumper/incubator-guacamole-server