[Grafana] Remove Promtail because it's EoL

system/hosts/mcp/containers/grafana.nix

@@ -1,7 +1,8 @@
 { config, ... }:
 let
   lib = import ./lib.nix config;
-in {
+in
+{
   imports = [
     ./shared-postgres.nix
   ];
@@ -43,25 +44,4 @@ in {
     };
     environment = { };
   };
-
-  services.promtail = {
-    enable = true;
-    configuration = {
-      server.http_listen_port = 9080;
-      clients = [
-        { url = "https://loki.blazestar.net/loki/api/v1/push"; }
-      ];
-      scrape_configs = [{
-        job_name = "journal";
-        journal = {
-          max_age = "12h";
-          labels = { job = "systemd-journal"; };
-        };
-        relabel_configs = [{
-          source_labels = ["__journal__systemd_unit"];
-          target_label = "unit";
-        }];
-      }];
-    };
-  };
 }