Revert "set disable_opt_rtn to optional bool and change default value to None"#1246

WeiweiZhang1 wants to merge 1 commit intomainintel/auto-round:mainfrom

revert-1231-set_disable_opt_rtn_default_2_noneintel/auto-round:revert-1231-set_disable_opt_rtn_default_2_noneCopy head branch name to clipboard