Revert "builders: direct buildbot to /mnt store via ForceCommand"

This reverts commit dfd48f2179.

services/baremetal-builder/default.nix

@@ -44,20 +44,10 @@ in
       ];
     };
     nix.settings = {
+      trusted-users = [ "builder" "buildbot" ];
       inherit ((import ./assignments.nix).${config.networking.hostName}) max-jobs cores;
     };
 
-    services.openssh.extraConfig = ''
-      Match User buildbot
-        AllowAgentForwarding no
-        AllowTcpForwarding no
-        PermitTTY no
-        PermitTunnel no
-        X11Forwarding no
-        ForceCommand ${config.nix.package.out}/bin/nix-daemon --store /mnt --stdio
-      Match All
-    '';
-
     nixpkgs.hostPlatform = "x86_64-linux";
     hardware.cpu.intel.updateMicrocode = true;