treewide: remove nginx leftover

modules/services/promtail/default.nix

@@ -49,26 +49,10 @@ in
               }
             ];
           }
-          {
-            job_name = "nginx";
-            static_configs = [
-              {
-                targets = [ "localhost" ];
-                labels = {
-                  job = "nginx";
-                  __path__ = "/var/log/nginx/*.log";
-                  host = config.networking.hostName;
-                };
-              }
-            ];
-          }
         ];
       };
     };
 
-    # otherwise access to the log is denied
-    users.users.promtail.extraGroups = [ "nginx" ];
-
     my.services.prometheus.rules = {
       promtail_request_errors = {
         condition = ''100 * sum(rate(promtail_request_duration_seconds_count{status_code=~"5..|failed"}[1m])) by (namespace, job, route, instance) / sum(rate(promtail_request_duration_seconds_count[1m])) by (namespace, job, route, instance) > 10'';

pkgs/grafana-dashboards/default.nix

@@ -50,13 +50,6 @@ lib.makeScope pkgs.newScope (
           src = ./node-systemd.json; # sadly only imported dashboards work
         });
 
-    nginx = buildGrafanaDashboard {
-      id = 12708;
-      pname = "nginx";
-      version = "1";
-      hash = "sha256-T1HqWbwt+i/We+Y2B7hcl3CijGxZF5QI38aPcXjk9y0=";
-    };
-
     nextcloud =
       (buildGrafanaDashboard {
         id = 9632;