[XMonad] Delete old files

dotfiles/config/xmonad/default.nix

@@ -1 +0,0 @@
-(import ./base.nix (import <nixpkgs>)).haskellPackages.imalison-xmonad

dotfiles/config/xmonad/shell.nix

@@ -1,3 +0,0 @@
-let
-  pkgs = (import ./base.nix (import <nixpkgs>));
-in pkgs.haskellPackages.shellFor { packages = p: [ p.imalison-xmonad ]; }

dotfiles/config/xmonad/stack.yaml

@@ -1,21 +0,0 @@
-flags: {}
-extra-package-dbs: []
-packages:
-- .
-- location: ./xmonad
-  extra-dep: true
-- location: ./xmonad-contrib
-  extra-dep: true
-extra-deps:
-- X11-xft-0.3.1
-resolver: lts-13.19
-nix:
-  packages:
-    - pkgconfig
-    - x11
-    - xorg.libX11
-    - xorg.libXext
-    - xorg.libXinerama
-    - xorg.libXrandr
-    - xorg.libXrender
-    - xorg.libXScrnSaver