Replace zet with the z monolith

Signed-off-by: Oliver Davies <oliver@oliverdavies.uk>

modules/scripts/start-tmux.nix

@@ -1,4 +1,4 @@
-{ withSystem, ... }:
+{ inputs, withSystem, ... }:
 
 let
   name = "start-tmux";
@@ -10,9 +10,9 @@ in
       packages.${name} = pkgs.writeShellApplication {
         inherit name;
 
-        # TODO: Add `z` once its available as a package.
         runtimeInputs = with pkgs; [
           fzf
+          inputs.z.packages.${pkgs.system}.default
         ];
 
         text = ''

modules/scripts/zet.nix

@@ -1,38 +0,0 @@
-{ inputs, withSystem, ... }:
-
-let
-  name = "zet";
-in
-{
-  perSystem =
-    { pkgs, ... }:
-    {
-      packages.${name} = pkgs.buildGoModule {
-        inherit name;
-
-        runtimeInputs = with pkgs; [
-          git
-        ];
-
-        src = inputs.zet;
-
-        vendorHash = "sha256-pprnK2JKmPuR3Q+F8+vMDEdowlb3oX4BOOzW8NGOqgs=";
-
-        postInstall = ''
-          mv $out/bin/cmd-${name} $out/bin/${name}
-        '';
-      };
-    };
-
-  flake.modules.homeManager.base =
-    { config, pkgs, ... }:
-    {
-      home.packages = [
-        (withSystem pkgs.system (psArgs: psArgs.config.packages.${name}))
-      ];
-
-      home.sessionVariables = {
-        ZET_DIRECTORY = "${config.home.sessionVariables.NOTES_DIRECTORY}/${name}";
-      };
-    };
-}