(1) The Act of June 8, 1907, P.L. 488, entitled "A SUPPLEMENT TO an act, entitled ‘An act to provide for the better government of cities of the first class in this Commonwealth, approved the first day of June, one thousand eight hundred and eighty-five; creating a Department of Wharves, Docks, and Ferries, for the improvement, regulation, and supervision of the construction, extension, alteration, maintenance, and use of wharves, piers, bulkheads, docks, slips, basins, ferries, harbors, and harbor structures, in cities of the first class; and providing for the making and enforcement of rules and regulations, and fixing certain penalties for violation thereof; and providing for the acquisition of property by said cities, by purchase, and by condemnation, for certain purposes,'" to the extent not already superseded by the Charter, is hereby expressly superseded except that so much of said act as empowers councils of cities of the first class to take, condemn, and appropriate by ordinance property for use as a public wharf, pier or bulkhead or for other uses, and establishing a procedure therefore is hereby expressly saved.