Fix bug with -s flag

Author: jbarnett-r7

lib/msf/ui/console/command_dispatcher/db.rb

@@ -110,7 +110,6 @@ def cmd_add_data_service(*args)
                   port = args.shift
                 when '-s', '--ssl'
                   protocol = "https"
-                  args.shift
                 else
                   host = arg
               end