prometheus-pve-exporter fix

systems/monitoring.noc.eh22.intern/pve-exporter.nix

@@ -46,16 +46,12 @@
         forward_to = [prometheus.remote_write.default.receiver]
 
         rule {
-          source_labels = [ __address__ ]
-          target_label = __param_target
-        }
-        rule {
-          source_labels = [ __param_target ]
-          target_label = instance
+          source_labels = [ "__param_target" ]
+          target_label = "instance"
         }
         rule { 
-          target_label = __address__
-          replacement = "pve-exporter:9221"
+          target_label = "__address__"
+          replacement = "pve-exporter"
         }
       }
     '';