Section 6. The act, approved the ninth day of June, one thousand nine hundred and thirty-nine (Pamphlet Laws, three hundred twenty-two), entitled "An act requiring certain taxes of the political subdivisions in counties of the first class to be stricken from the records, and prohibiting such taxes from being included in the computation of the solvent debts of such political subdivisions," and all other acts and parts of acts, general, local or special, inconsistent with this act, are hereby repealed.