If any article, section, subsection, provision, regulation, limitation, restriction, sentence, clause, phrase, or word in the Zoning Ordinance is declared for any reason to be illegal, unconstitutional, or invalid by any court or competent jurisdiction, such decision shall not affect or impair the validity of the Zoning Ordinance as a whole, or any other article, section, subsection, provision, regulation, limitation, restriction, sentence, clause, phrase, word, or remaining portion of the Zoning Ordinance. The Board of Supervisors hereby declares that it would have adopted the Zoning Ordinance and each article, section, subsection, provision, regulation, limitation, restriction, sentence, clause, phrase and work thereof, irrespective of the fact that any one or more of the articles, sections, subsections, provisions, regulations, limitations, restrictions, sentences, clauses, phrases, or words may be declared illegal, unconstitutional, or invalid.