feat(server): remove prometheus and grafana modules

modules/nixos/server/monitoring/grafana/default.nix

@@ -1,40 +0,0 @@
-{ config, lib, ... }:
-let
-  inherit (lib) singleton mkEnableOption mkIf;
-  inherit (lib.pantheon) mkRootDomain mkPortOption mkStrOption;
-  cfg = config.server.monitoring.grafana;
-in
-{
-  options.server.monitoring.grafana = {
-    enable = mkEnableOption "";
-    url = mkStrOption;
-    port = mkPortOption 3000;
-  };
-
-  config = mkIf cfg.enable {
-    server.networking.ddns.domains = singleton (mkRootDomain cfg.url);
-    server.web-servers.nginx.proxies = mkIf config.server.web-servers.nginx.enable (singleton {
-      source = cfg.url;
-      target = "http://${config.system.hostname}:${builtins.toString cfg.port}";
-      extraConfig.proxyWebsockets = true;
-      locations."/api/live/" = {
-        proxyPass = "http://${config.system.hostname}:${builtins.toString cfg.port}";
-      };
-    });
-    services.grafana = {
-      enable = true;
-      settings.server = {
-        domain = cfg.url;
-        http_port = cfg.port;
-        http_addr = "0.0.0.0";
-      };
-      provision.datasources.settings.datasources = [
-        {
-          name = "prometheus";
-          type = "Prometheus";
-          url = "http://${config.system.hostname}:${builtins.toString config.server.monitoring.prometheus.port}";
-        }
-      ];
-    };
-  };
-}

modules/nixos/server/monitoring/prometheus/default.nix

@@ -1,36 +0,0 @@
-{ config, lib, ... }:
-let
-  inherit (lib) mkEnableOption mkIf;
-  inherit (lib.pantheon) mkPortOption;
-  cfg = config.server.monitoring.prometheus;
-  upstreamCfg = config.services.prometheus;
-in
-{
-  options.server.monitoring.prometheus = {
-    enable = mkEnableOption "";
-    port = mkPortOption 9090;
-  };
-
-  config = mkIf cfg.enable {
-    services.prometheus = {
-      enable = true;
-      inherit (cfg) port;
-      scrapeConfigs = [
-        {
-          job_name = "chrysalis";
-          static_configs = [
-            {
-              targets = [ "127.0.0.1:${toString upstreamCfg.exporters.node.port}" ];
-            }
-          ];
-        }
-      ];
-
-      exporters.node = {
-        enable = true;
-        enabledCollectors = [ "systemd" ];
-        port = 9091;
-      };
-    };
-  };
-}

systems/x86_64-linux/apollo/default.nix

@@ -20,15 +20,6 @@
   };
 
   server = {
-    monitoring = {
-      prometheus = {
-        enable = true;
-      };
-      grafana = {
-        enable = true;
-        url = "grafana.bwfiq.com";
-      };
-    };
     networking.ddns = {
       enable = true;
       domains = [