Revert "Move init.test.el into core/autoload/test.el"

This reverts commit 3bfb7fa17d.

init.test.el

@@ -0,0 +1,23 @@
+;;; init.test.el -- for automated unit tests -*- lexical-binding: t; -*-
+
+(require 'core (concat user-emacs-directory "core/core"))
+
+(doom! :feature
+       evil
+       workspaces
+
+       :completion
+       company
+
+       :ui
+       doom-dashboard
+
+       :tools
+       password-store
+
+       :lang
+       org
+       web
+
+       :private
+       hlissner)