Revert "Adds check for CONFIG_CLASS to load_config()."

This reverts commit eb0be7d9661e37d9d350492e271397fe26055ccb.
Revert "Removes unneeded fields."

This reverts commit e131cec0a55eb88d2d34d9cc22d5cb6c7b3b1a6d.
Removes config field.