patch 8.1.1434: test 3 is old style

Problem:    Test 3 is old style.
Solution:   Turn into a new style test. (Yegappan Lakshmanan, closes #4460)
diff --git a/src/testdir/Make_vms.mms b/src/testdir/Make_vms.mms
index 09d0692..88aff09 100644
--- a/src/testdir/Make_vms.mms
+++ b/src/testdir/Make_vms.mms
@@ -73,7 +73,7 @@
 
 .SUFFIXES : .out .in
 
-SCRIPT = test1.out test3.out \
+SCRIPT = test1.out \
        test39.out \
        test42.out test44.out test48.out test49.out \
        test64.out test69.out \