code: @Indexable(type = IndexableType.DELETE)
  	@Override
  	public CPDisplayLayout deleteCPDisplayLayout(
  		CPDisplayLayout cpDisplayLayout) {
  		return cpDisplayLayoutPersistence.remove(cpDisplayLayout);
  	}
docs: Deletes the cp display layout from the database. Also notifies the appropriate model listeners.
  
  @param cpDisplayLayout the cp display layout
  @return the cp display layout that was removed