The Board of Aldermen may, whenever deemed necessary or expedient, by ordinance vacate all or any part of any public easement, right-of-way, street, alley, public road, highway, public square, public park or alley dedicated or conveyed to the City with such conditions and restrictions as it may deem for the public good. The determination of the vacation of all or any part of any public easement, right-of-way, street, alley, public road, highway, public square, public park or alley dedicated or conveyed to the City shall be determined by the Board of Aldermen within its discretion under Section 88.673, RSMo.