Final call, remove exm

Hello everyone,
The following PR is going into final call. We are removing an passed
example from the HTML page has title rule, as it does not satisfy the
success criterion it tests (even though it passes the rule):
https://github.com/act-rules/act-rules.github.io/pull/990

If you have any concerns, please submit a changes requested review before
November 5th.

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