Remove unneeded comment.

CODE_OF_CONDUCT.md

@@ -6,10 +6,3 @@ For more details, please read the
 
 ## How to Report
 For more information on how to report violations of the Community Participation Guidelines, please read our '[How to Report](https://www.mozilla.org/about/governance/policies/participation/reporting/)' page.
-
-<!--
-## Project Specific Etiquette
-
-In some cases, there will be additional project etiquette i.e.: (https://bugzilla.mozilla.org/page.cgi?id=etiquette.html).
-Please update for your project.
--->