Ordinances No. 20, 1967; No. 23, 1967; No. 24, 1967; No. 47, 1973; No. 140, 1981; and any former ordinances or amendments or portion thereof conflicting or inconsistent with the provisions of this chapter are hereby repealed; provided, that prosecution for any violation of these ordinances occurring prior to the effective date of this chapter provision shall not be affected or abated.