nixos/prometheus.exporters.unifi: drop

The corresponding package was dropped in 826bef9b51.

nixos/modules/services/monitoring/prometheus/exporters.nix

@@ -89,7 +89,6 @@ let
     "surfboard"
     "systemd"
     "unbound"
-    "unifi"
     "unpoller"
     "v2ray"
     "varnish"

nixos/modules/services/monitoring/prometheus/exporters/unifi.nix

@@ -1,71 +0,0 @@
-{ config, lib, pkgs, options, ... }:
-
-let
-  cfg = config.services.prometheus.exporters.unifi;
-  inherit (lib)
-    mkOption
-    types
-    escapeShellArg
-    optionalString
-    concatStringsSep
-    ;
-in
-{
-  port = 9130;
-  extraOpts = {
-    unifiAddress = mkOption {
-      type = types.str;
-      example = "https://10.0.0.1:8443";
-      description = ''
-        URL of the UniFi Controller API.
-      '';
-    };
-
-    unifiInsecure = mkOption {
-      type = types.bool;
-      default = false;
-      description = ''
-        If enabled skip the verification of the TLS certificate of the UniFi Controller API.
-        Use with caution.
-      '';
-    };
-
-    unifiUsername = mkOption {
-      type = types.str;
-      example = "ReadOnlyUser";
-      description = ''
-        username for authentication against UniFi Controller API.
-      '';
-    };
-
-    unifiPassword = mkOption {
-      type = types.str;
-      description = ''
-        Password for authentication against UniFi Controller API.
-      '';
-    };
-
-    unifiTimeout = mkOption {
-      type = types.str;
-      default = "5s";
-      example = "2m";
-      description = ''
-        Timeout including unit for UniFi Controller API requests.
-      '';
-    };
-  };
-  serviceOpts = {
-    serviceConfig = {
-      ExecStart = ''
-        ${pkgs.prometheus-unifi-exporter}/bin/unifi_exporter \
-          -telemetry.addr ${cfg.listenAddress}:${toString cfg.port} \
-          -unifi.addr ${cfg.unifiAddress} \
-          -unifi.username ${escapeShellArg cfg.unifiUsername} \
-          -unifi.password ${escapeShellArg cfg.unifiPassword} \
-          -unifi.timeout ${cfg.unifiTimeout} \
-          ${optionalString cfg.unifiInsecure "-unifi.insecure" } \
-          ${concatStringsSep " \\\n  " cfg.extraFlags}
-      '';
-    };
-  };
-}