Remove unused (server) configurations

defaults/nextcloud/README.adoc

@@ -1,4 +0,0 @@
-== Nextcloud Role
-
-This role manages the nextcloud installation.
-

defaults/nextcloud/default.nix

@@ -1,23 +0,0 @@
-# Default configuration for hosts
-{ config, lib, pkgs, ... }:
-
-{
-  services.nextcloud = {
-    enable = true;
-    https = true;
-    webfinger = true;
-    maxUploadSize = "1G";
-
-    config = {
-      adminpassFile = "/secrets/nextcloud-admin"; # TODO
-      adminuser = "root";
-      dbtype = "pgsql";
-      dbhost = "/run/postgresql";
-    };
-  };
-
-  systemd.services."nextcloud-setup" = {
-    requires = [ "postgresql.service" ];
-    after = [ "postgresql.service" ];
-  };
-}

defaults/tt-rss/default.nix

@@ -1,10 +0,0 @@
-{ config, lib, pkgs, ... }:
-
-{
-  services.tt-rss = {
-    enable = true;
-    sessionCookieLifetime = 0;
-
-    database = { type = "pgsql"; };
-  };
-}

defaults/webserver/default.nix

@@ -1,5 +0,0 @@
-{ config, lib, pkgs, ... }:
-
-{
-  services.nginx = { logError = "stderr warn"; };
-}