Provisions are severable. The provisions of this chapter are severable, and if any section, sentence, clause, part or provision is held to be illegal, invalid or unconstitutional by any court of competent jurisdiction, such decision of the court shall not affect or impair the remaining sections, sentences, clauses, parts or provisions of this chapter. It is the intent of the Board of Supervisors that this chapter would have been adopted if such illegal, invalid or unconstitutional section, sentence, clause, part or provision had not been originally included.