feat(nginx): Switch to simpleProxies for the majority of configs

machines/compute01/grafana.nix

@@ -69,17 +69,11 @@ in
         }
       ];
     };
+  };
 
-    nginx.virtualHosts.${host} = {
-      enableACME = true;
-      forceSSL = true;
-
-      locations."/" = {
-        proxyPass = "http://127.0.0.1:${builtins.toString port}";
-        proxyWebsockets = true;
-        recommendedProxySettings = true;
-      };
-    };
+  dgn-web.simpleProxies.grafana = {
+    inherit host port;
+    proxyWebsockets = true;
   };
 
   age-secrets.autoMatch = [ "grafana" ];