In the event that any provision, section, sentence, clause or part of this chapter shall be held to be invalid, illegal or unconstitutional by a court of competent jurisdiction, such invalidity, illegality or unconstitutionality shall not affect or impair the remaining provisions, sections, sentences, clauses or parts of this chapter, it being the intent of the Board of Supervisors that the remainder of the chapter shall be and shall remain in full force and effect.