base: Finally, some emacs on darwin (and some other stuff I guess)

modules/nixos/base/nix/default.nix

@@ -1,20 +1,5 @@
 { config, lib, pkgs, ... }:
 {
-  chvp.base = {
-    emacs.extraConfig = [
-      ''
-        ;; Nix syntax support
-        (use-package nix-mode
-          :mode "\\.nix\\'"
-          )
-      ''
-    ] ++ lib.optional config.chvp.base.nix.enableDirenv ''
-      ;; Direnv integration in emacs.
-      (use-package direnv
-        :config (direnv-mode)
-        )
-    '';
-  };
   nix.gc.dates = if config.chvp.base.nix.slowGc then "daily" else "hourly";
   programs.command-not-found.enable = false;
 }