If any subsection, sentence, clause or phrase of this Chapter is for any reason held to be invalid or unconstitutional by a decision of any court of competent jurisdiction or preempted by State or Federal legislation, such decision or legislation shall not affect the validity of the remaining portions of this Chapter. The City Council declares that it would have passed this Chapter and each and every subsection, sentence, clause or phrase not declared invalid or unconstitutional without regard to any such decision or preemptive legislation."