If any section, subsection, sentence, clause or phrase of this chapter or the location of any district boundary shown on the Zoning Map that forms a part hereof is for any reason held by a court of competent jurisdiction to be invalid, such a decision shall not affect the validity of the remaining portions of this chapter or Zoning Map. The Governing Body of the Town of Kearny hereby declares that it would have passed this ordinance and each section or part thereof irrespective of the fact that any one or more sections or parts thereof be declared invalid.