Remove info about the archived CC Search channel

Author: dhruvkb

content/community/community-team/engagement-channels/contents.lr

@@ -70,13 +70,6 @@ websites. This is particularly relevant to the Vocabulary project.
 
 **Channel:** `#ux-design`
 
-### CC Search channel
-
-This is the channel where we discuss topics relevant to CC Search (both the API
-and the frontend) and CC Catalog.
-
-**Channel:** `#cc-search`
-
 ## Mailing lists
 
 We also have a few mailing lists where we communicate announcements and the