nixos/services.opentsdb: remove with lib;

nixos/modules/services/databases/opentsdb.nix

@@ -1,7 +1,4 @@
 { config, lib, pkgs, ... }:
-
-with lib;
-
 let
   cfg = config.services.opentsdb;
 
@@ -15,36 +12,36 @@ in {
 
     services.opentsdb = {
 
-      enable = mkEnableOption "OpenTSDB";
+      enable = lib.mkEnableOption "OpenTSDB";
 
-      package = mkPackageOption pkgs "opentsdb" { };
+      package = lib.mkPackageOption pkgs "opentsdb" { };
 
-      user = mkOption {
-        type = types.str;
+      user = lib.mkOption {
+        type = lib.types.str;
         default = "opentsdb";
         description = ''
           User account under which OpenTSDB runs.
         '';
       };
 
-      group = mkOption {
-        type = types.str;
+      group = lib.mkOption {
+        type = lib.types.str;
         default = "opentsdb";
         description = ''
           Group account under which OpenTSDB runs.
         '';
       };
 
-      port = mkOption {
-        type = types.port;
+      port = lib.mkOption {
+        type = lib.types.port;
         default = 4242;
         description = ''
           Which port OpenTSDB listens on.
         '';
       };
 
-      config = mkOption {
-        type = types.lines;
+      config = lib.mkOption {
+        type = lib.types.lines;
         default = ''
           tsd.core.auto_create_metrics = true
           tsd.http.request.enable_chunked  = true
@@ -60,7 +57,7 @@ in {
 
   ###### implementation
 
-  config = mkIf config.services.opentsdb.enable {
+  config = lib.mkIf config.services.opentsdb.enable {
 
     systemd.services.opentsdb = {
       description = "OpenTSDB Server";