Move gitea-actions-runner.nix

Also remove any unneeded references to outputs.nixosModules.

modules2/hosts/nixedo/gitea-actions-runner.nix

@@ -0,0 +1,31 @@
+{ inputs, ... }:
+
+{
+  flake.modules.nixos."nixosConfigurations/nixedo" =
+    { config, pkgs, ... }:
+    {
+      services.gitea-actions-runner.instances.default = {
+        enable = true;
+
+        hostPackages = with pkgs; [
+          bash
+          coreutils
+          curl
+          gawk
+          gitMinimal
+          gnused
+          nix
+          nodejs
+          wget
+        ];
+
+        labels = [ "nixos:host" ];
+
+        name = config.networking.hostName;
+        tokenFile = config.age.secrets.forgejo-runner-token.path;
+        url = config.services.forgejo.settings.server.ROOT_URL;
+      };
+
+      age.secrets.forgejo-runner-token.file = "${inputs.self}/secrets/forgejo-runner-token.age";
+    };
+}