Twitter card - can the meta tags be disabled?

JFBConnect v6.2.4 adds the ability to skip specified Open Graph tags. If you go into JFBConnect > Open Graph > Configuration, please set the 'Skip Tags' setting to
These tags are the only ones that we should be attempting to set for Twitter, but let if you encounter any others, please add them to the skip tags setting. Just make sure that it has the "twitter:" prefix so you don't skip any FB open graph tags of the same name.

-Melissa

If you look at the source, those are actually from the social toolbar at the bottom of the page for when you click the social meta button. This toolbar is only displayed for superadmins and can be disabled in the general configuration area of JFBConnect.