Authorizing the revision of lines and grades on a portion of City Plan No. 118 by striking from the City Plan and vacating a widened portion of Warnock Street, on the westerly side thereof between Berks Street and Norris Street, and relocating the westerly houseline of said Warnock Street so as to align with the westerly houseline of the unaffected portions of Warnock Street as extending from Berks Street to Norris Street, under certain terms and conditions.