patch 8.1.1180: Vim script debugger tests are old style

Problem:    Vim script debugger tests are old style.
Solution:   Turn into new style tests. (Yegappan Lakshmanan, closes #4259)
diff --git a/src/testdir/Make_vms.mms b/src/testdir/Make_vms.mms
index f14f6bc..a4c6936 100644
--- a/src/testdir/Make_vms.mms
+++ b/src/testdir/Make_vms.mms
@@ -80,7 +80,7 @@
        test42.out test44.out test48.out test49.out \
        test64.out test69.out \
        test72.out test77a.out test88.out \
-       test94.out test95.out test99.out test108.out \
+       test94.out test95.out test99.out \
        test_eval.out
 
 # Known problems: