Remove Malte Münch from the user list

Signed-off-by: Malte Münch <mamu+github@stablerock.de>

Author: mxmxchere

orgs/SovereignCloudStack/data.yaml

@@ -60,8 +60,6 @@ members:
     login: mauhau
   - name: Volker Arendt
     login: varkeen
-  - name: Malte Münch
-    login: mxmxchere
   - name: Mario Minners
     login: mario-minners
   - name: Aleksandr Gerasimenko