Final call, remove page-has-title example

Hey everyone,

This PR will remove an example from the page-has-title rule:
https://github.com/act-rules/act-rules.github.io/pull/990

The passed example is removed because it does not satisfy success criterion
2.4.2.

-- 
*Wilco Fiers*
Axe for Web product owner - Co-facilitator WCAG-ACT - Chair ACT-R