Act No. 256 of the Public Acts of 1917, as amended, being section 501.1 to 548.107, inclusive, of the Compiled Laws of 1948, Act No. 151 of the Public Acts of 1893, being section 550.151 and 550.152 of the Compiled Laws of 1948, and Act No. 158 of the Public Acts of 1943, being section 550.201 to 550.213, inclusive, of the Compiled Laws of 1948, are hereby repealed.