[Emacs] Only enable lsp-haskell when hie binary exists

dotfiles/lib/bin/xmonad

@@ -1,10 +0,0 @@
-#!/usr/bin/env zsh
-# -*- mode:sh
-
-if command_exists "imalison-taffybar"; then
-	imalison-xmonad "$@"
-else
-	# Move .lib/bin to the end of PATH so that this script is not called again
-	add_to_path "$HOME/.lib/bin" --after
-	xmonad "$@"
-fi