Final call: Remove smileyface passed example from iframe rule #1180

Hey folks,

Here's a 1 week final call, where one somewhat redundant, and definitely
not accessible example is removed from the passed examples of the iframe
has acc name rule:
https://github.com/act-rules/act-rules.github.io/pull/1180

If you have any comments, please leave a review within the next week.

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