Temporarily remove GESIS from the rotation

See #1344 for what we should fix/investigate

Author: betatim

mybinder/values.yaml

@@ -429,11 +429,6 @@ federationRedirect:
       weight: 19
       health: https://ovh.mybinder.org/health
       versions: https://ovh.mybinder.org/versions
-    gesis:
-      url: https://gesis.mybinder.org
-      weight: 15
-      health: https://gesis.mybinder.org/health
-      versions: https://gesis.mybinder.org/versions
     turing:
       url: https://turing.mybinder.org
       weight: 1