Any judgment of divorce entered as a result of an action instituted prior to October 1, 1983, upon any grounds abolished by Chapter 613 of the 1983 Session Laws as amended by Section 217(O) of Chapter 923 of the 1983 Session Laws, which is proper in all other respects, is hereby rendered valid and of full force and effect. (1985 (Reg. Sess., 1986), c. 952.)