Update cscs.md

Author: MichelDucartier

docs/clusters/cscs/cscs.md

@@ -7,7 +7,7 @@
 
 ## Pre-setup (access to the CSCS)
 
-Please ask [Michael](mailto:michael.zhang@epfl.ch) or [Peter](mailto:peter.ahumuza@epfl.ch) to add you to the CSCS project (send a message on Slack to get a faster answer). Once you have been added, check your mail for the invitation link. You will to have to create an account.
+Please ask [Peter](mailto:peter.ahumuza@epfl.ch) to add you to the CSCS project (send a message on Slack to get a faster answer). Once you have been added, check your mail for the invitation link. You will to have to create an account.
 
 ## Connect to the login node