remove remote builder config

machines/genepi/builder.nix

@@ -1,13 +0,0 @@
-{ self, ... }:
-{
-  imports = [
-    self.nixosModules.remote-builder
-  ];
-
-  roles.remote-builder = {
-    enable = true;
-    authorizedKeys = [
-      "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIGa8R8obgptefcp27Cdp9bc2fiyc9x0oTfMsTPFp2ktE rpqt@haze"
-    ];
-  };
-}

machines/genepi/configuration.nix

@@ -6,7 +6,6 @@
   imports = [
     ./actual.nix
     ./boot.nix
-    ./builder.nix
     ./freshrss.nix
     ./glance.nix
     ./homeassistant.nix

machines/haze/configuration.nix

@@ -56,22 +56,6 @@
 
   programs.kdeconnect.enable = true;
 
-  # Remote builds
-  nix = {
-    distributedBuilds = true;
-    buildMachines = [
-      {
-        sshUser = "nixremote";
-        sshKey = "/etc/ssh/ssh_host_ed25519_key";
-        systems = [ "aarch64-linux" ];
-        hostName = "genepi";
-      }
-    ];
-    extraOptions = ''
-      builders-use-substitutes = true
-    '';
-  };
-
   nixpkgs.config.allowUnfree = true;
 
   i18n.supportedLocales = [