Prevent rules from going down the 'elemhide' path.
Prevent rules from going down the 'elemhide' path.

This prevents syntax-011, -011a, -012 from passing due to conflicting
\## syntax. Also we don't support element hiding in our URL Filter API.

operasoftware/operaextensions.js,operasoftware/operaextensions.js,operasoftware/operaextensions.js