Act No. 316 of the Public Acts of 1923, as amended, being sections 261.1 to 278B.33, inclusive, of the Compiled Laws of 1948, Act No. 243 of the Public Acts of 1931, being sections 279.1 and 279.2 of the Compiled Laws of 1948, Act No. 38 of the Public Acts of the First Extra Session of 1932, being sections 279.11 to 279.17, inclusive, of the Compiled Laws of 1948, and Act No. 158 of the Public Acts of 1929, as amended, being sections 279.101 to 279.123, inclusive, of the Compiled Laws of 1948, are hereby repealed.