The existing zoning regulations of the City of Keego Harbor being the City of Keego Harbor Zoning Ordinance Number 16, as amended, are hereby repealed. The adoption of this Ordinance however, shall not affect or prevent any pending or future prosecution of, or action to abate, any existing violation of the aforementioned ordinance dated November 13, 1956, as amended, if the use so in violation is in violation of the provisions of this Ordinance.