How to delete OOB Announcements list from the SharePoint Site ?

Announcements list template in SharePoint is installed as a feature with feature id 00bfea71-d1ce-42de-9c63-a44004ce0104. If you run the following command, the announcements section will get eloped from "Communications" section

C:\Program Files\Common Files\Microsoft Shared\Web Server Extensions\12\BIN>stsdm -o deactivatefeature -id 00bfea71-d1ce-42de-9c63-a44004ce0104 -url "https://brs2r04-16:7000/sites/TestSite"

If you would like to bring it back , then you need to run the command stsadm command with activate feature :-

C:\Program Files\Common Files\Microsoft Shared\Web Server Extensions\12\BIN>sts

dm -o deactivatefeature -id 00bfea71-d1ce-42de-9c63-a44004ce0104 -url "https://brs2r04-16:7000/sites/TestSite"

Here are the feature IDs of other List Templates :-