Disable spurios checks

customers/base/nextcloud-configmap.yml

@@ -47,6 +47,7 @@ data:
       'gss.user.discovery.module' => '\\OCA\\GlobalSiteSelector\\UserDiscoveryModules\\ManualUserMapping',
       'installed' => true,
       'instanceid' => '{{NEXTCLOUD_INSTANCEID}}',
+      'integrity.check.disabled' => true,
       'log_type' => 'file',
       'loglevel' => 0,
       'lookup_server' => '{{LOOKUP_SERVER}}',
@@ -109,6 +110,6 @@ data:
         array (
           0 => 'admin',
         ),
-      'updater.release.channel' => 'Sunet',
+      'updatechecker' => false,
       'version' => '{{NEXTCLOUD_VERSION_STRING}}',
     );