Move slurm control server to apex

Reviewed-by: Aleix Boné <abonerib@bsc.es>

m/apex/configuration.nix

@@ -5,6 +5,8 @@
     ../common/xeon.nix
     ../common/ssf/hosts.nix
     ../module/ceph.nix
+    ../module/slurm-client.nix
+    ../module/slurm-server.nix
     ./nfs.nix
   ];
 

m/hut/configuration.nix

@@ -11,7 +11,6 @@
     ./gitlab-runner.nix
     ./monitoring.nix
     ./nfs.nix
-    ./slurm-server.nix
     ./nix-serve.nix
     ./public-inbox.nix
     ./gitea.nix

m/module/slurm-client.nix

@@ -39,7 +39,7 @@ in {
 
   services.slurm = {
     client.enable = true;
-    controlMachine = "hut";
+    controlMachine = "apex";
     clusterName = "jungle";
     nodeName = [
       "owl[1,2]  Sockets=2 CoresPerSocket=14 ThreadsPerCore=2 Feature=owl"