Weaver II 2.2.2 should not be generating that particular code, so I suspect some custom code or something with your version of the theme.
When you open the Weaver II Admin page, you should see this message:
Current Weaver II version is 2.2.2. A newer version (2.2.4) is available in the downloads area at WeaverTheme.com/download/.
Because of WordPress policy changes, updates will no longer be provided at WordPress.org!
To update: Open the Dashboard : Admin panel. An option to update to the latest version should appear there.
Alternate update procedure: