Update themeoptions.php

The zpmas_cbssspeed field had a parameter "'multilingual' => 1", which caused the field in the database to end up with a value like this: 'a:1:{s:5:"en_US";s:4:"2500";}'.  This then prevented the slideshow from running. Removing this extra option fixes the issue.
Merge pull request #1 from 0n3man/master

Update themeoptions.php