This mod is for removing the post icons selection from replies. You can only choose a post icon, when starting a new thread. This is handy for forums which use topic/category titles as post icons.
Examples: http://www.somethingawful.com and http://www.somethingboring.co.uk
This is incredibly simple..I'm only posting it because I know some people who are complete newbies and wanted to do this..so some others may benefit I guess.