Doesn’t work for me

This plugin doesn’t seem to work for the site https://tidg.ca.

I have it set to hide the date on the home page and can view the CSS code in the source code which hides the meta data but unfortunately still shows the date in the search results.

Any idea why?

https://www.google.com/search?q=tidg&oq=tidg&aqs=chrome..69i57j69i60l5.1275j0j7&sourceid=chrome&ie=UTF-8

The page I need help with: [log in to see the link]