How to remove Date stamp from Google SERP description by javascript method.

[infoseeker]

My website indexed by google with date. Which line or code i needed to edit in index.templete.php to removing the date stamp from google. I want to use javascript method which described from below link.

www.dollarshower.com/how-to-remove-date-stamp-from-google-serp-description/

Which code i needed to edit in index.templete.php to remove date from google search results.

Plz help me.