If any section, subsection, sentence, clause or phrase of the ordinance codified in this chapter is for any reason held to be invalid or unconstitutional by the decision of a court of competent jurisdiction, such decision shall not affect the validity or the constitutionality of the remaining portions of the ordinance codified in this chapter. The board of supervisors declares that it would have passed the ordinance codified in this chapter and each section, subsection, sentence, clause or phrase thereof irrespective of the fact that any one or more sections, subsections, sentences, clauses or phrases be declared invalid or unconstitutional. (Ord. 2477 § 2 (part), 1990)