Section 4. That so much of the sixth section of an act entitled "An Act to authorize Jonathan W. Swain, the guardian of Anna Maria Agnue, a minor and only child of Albert D. Agnue, deceased, and for other purposes," passed March twenty-sixth, one thousand eight hundred and fifty-one, as requires the district of Moyamensing, in the county of Philadelphia, to pay for the regulating and grading of the side-walks on the Grays Ferry road from Federal street to the abutments of Grays Ferry bridge, be, and the same is hereby repealed.