update flake, remove grapejuice, remove system_tools

also temporarily removes hydra jobs

systems/palatine-hill/configuration.nix

@@ -14,7 +14,6 @@
     ./minio.nix
     ./networking.nix
     ./nextcloud.nix
-    ./services.nix
     ./zfs.nix
   ];
 

systems/palatine-hill/services.nix

@@ -1,32 +0,0 @@
-{
-  config,
-  inputs,
-  pkgs,
-  ...
-}:
-{
-  systemd = {
-    services.startup_validation = {
-      requires = [ "network-online.target" ];
-      after = [ "network-online.target" ];
-      wantedBy = [ "multi-user.target" ];
-      description = "validates startup";
-      path = [ pkgs.zfs ];
-      serviceConfig = {
-        Type = "oneshot";
-        EnvironmentFile = config.sops.secrets."server-validation/webhook".path;
-        ExecStart = "${inputs.system_tools.packages.x86_64-linux.default}/bin/validate_palatine_hill";
-      };
-    };
-    timers.startup_validation = {
-      wantedBy = [ "timers.target" ];
-      timerConfig = {
-        OnBootSec = "10min";
-        Unit = "startup_validation.service";
-      };
-    };
-  };
-  sops = {
-    secrets."server-validation/webhook".owner = "root";
-  };
-}