remove old regress_test.prl script
remove old regress_test.prl script

darcs-hash:20061114022355-1a7c6-94f8eb31df4ad06c0b98a1e756ede4bcbfee3d8d

kirbyfan64/jhc,kirbyfan64/jhc,kirbyfan64/jhc,kirbyfan64/jhc