Update README.md

Comment out the circleci reference in the README.md.   It's misleading to the community that something is untrustworthy or broken.

Author: alfreema

README.md

@@ -1,6 +1,6 @@
 # sanitize-html
 
-[![CircleCI](https://circleci.com/gh/apostrophecms/sanitize-html/tree/main.svg?style=svg)](https://circleci.com/gh/apostrophecms/sanitize-html/tree/main)
+[comment out circleci until removed completely]: [![CircleCI](https://circleci.com/gh/apostrophecms/sanitize-html/tree/main.svg?style=svg)](https://circleci.com/gh/apostrophecms/sanitize-html/tree/main)
 
 <a href="https://apostrophecms.com/"><img src="https://raw.githubusercontent.com/apostrophecms/sanitize-html/main/logos/logo-box-madefor.png" align="right" /></a>