Move home.nix into the common mixin

home/opdavies/default.nix

@@ -1,104 +0,0 @@
-{
-  config,
-  inputs,
-  outputs,
-  system,
-  ...
-}:
-let
-  pkgs = import inputs.nixpkgs {
-    inherit system;
-
-    config.allowUnfree = true;
-
-    overlays = [
-      outputs.overlays.additions
-      outputs.overlays.stable-packages
-    ];
-  };
-
-  inherit (pkgs) lib;
-
-  inherit (config.xdg)
-    cacheHome
-    configHome
-    dataHome
-    stateHome
-    ;
-in
-{
-  home.username = "opdavies";
-  home.homeDirectory = "/home/${config.home.username}";
-
-  home.packages = with pkgs; [
-    cachix
-    delta
-    entr
-    gcc
-    git
-    git-crypt
-    gnupg
-    inotify-tools
-    jq
-    killall
-    lua
-    mob
-    pv
-    simple-http-server
-    sshs
-    tldr
-    tree
-    tree-sitter
-    unzip
-    w3m
-    watchexec
-    wget
-    xclip
-    xdg-utils
-    zbar
-  ];
-
-  programs.home-manager.enable = true;
-
-  home.sessionVariables = {
-    EDITOR = "nvim";
-    IMAPFILTER_HOME = "${configHome}/imapfilter";
-    LANG = "en_GB.UTF-8";
-    LC_ALL = "en_GB.UTF-8";
-    LC_CTYPE = "en_GB.UTF-8";
-    PASSWORD_STORE_DIR = "${dataHome}/pass";
-    PATH = lib.concatStringsSep ":" [
-      "$PATH"
-      "$HOME/go/bin"
-      "./vendor/bin"
-      "./node_modules/.bin"
-    ];
-    PULUMI_SKIP_UPDATE_CHECK = "true";
-    W3M_DIR = "${stateHome}/w3m";
-    WGETRC = "${configHome}/wgetrc";
-    XDG_CONFIG_HOME = config.xdg.configHome;
-    XDG_DATA_HOME = dataHome;
-    XDG_STATE_HOME = stateHome;
-  };
-
-  xdg = {
-    configFile = {
-      "${config.home.sessionVariables.WGETRC}".text = ''
-        hsts-file = "${cacheHome}/wget-hsts"
-      '';
-    };
-
-    userDirs = {
-      enable = true;
-
-      extraConfig = {
-        XDG_REPOS_DIR = "${config.home.homeDirectory}/Code";
-      };
-    };
-  };
-
-  # Nicely reload system units when changing configs.
-  systemd.user.startServices = "sd-switch";
-
-  home.stateVersion = "22.05"; # Please read the comment before changing.
-}