If any section, paragraph, subdivision, clause or provision of this chapter shall be adjudged invalid, such adjudication shall apply only to the section, paragraph, subdivision, clause or provision so adjudged and shall not affect or invalidate any other section, paragraph, subdivision, clause or provision of this chapter, and said section, paragraph, subdivision or provision of this chapter shall remain valid and effective; provided, however, that in such event, the provisions of the Building Zone Ordinance of the Village of Woodsburgh adopted January 15, 1929, and as from time to time amended, shall apply in respect to the subject matter of the section, paragraph, subdivision, clause or provision of this chapter so adjudged invalid.