Remove mailing list information

Author: grvlbit

docs/general/code-of-conduct.md

@@ -21,12 +21,6 @@ while others help to reduce the amount of support time needed to allocate.
   migrate all your user data to the new account and deactivate your student account
   for UBELIX.
 
-## Mailing List
-
-  * We communicate upcoming events (e.g. maintenance downtimes) on our mailing list. 
-  Make sure that you are subscribed to this list, otherwise you will miss important
-  announcements.
-
 ## Security
 
   * Do not share your account

docs/getting-Started/account.md

@@ -13,10 +13,3 @@ To request the activation of your Campus Account, please send a request via [htt
 * a brief description of what you want to use the cluster for
 
 If you possess multiple Campus Accounts (staff and student) use your staff account since this one is more specific. As soon as we get your email we will activate your account for UBELIX. Once activated, you will receive a confirmation email containing initial instructions
-
-## Mailing List
-
-The official channel for informing the UBELIX community about upcoming events (e.g. maintenance) and other important news is our mailing list. **Sign up to receive information on what's going on on the cluster:**
-
-[https://listserv.unibe.ch/mailman/listinfo/hpc-users](https://listserv.unibe.ch/mailman/listinfo/hpc-users) 
-