patch 8.0.1209: still too many old style tests

Problem:    Still too many old style tests.
Solution:   Convert a few more tests to new style. (Yegappan Lakshmanan,
            closes #2230)
diff --git a/src/testdir/Make_dos.mak b/src/testdir/Make_dos.mak
index 05978ad..4e0c8f7 100644
--- a/src/testdir/Make_dos.mak
+++ b/src/testdir/Make_dos.mak
@@ -17,7 +17,7 @@
 # test49	fails in various ways
 # test97	\{ and \$ are not escaped characters.
 
-SCRIPTS = $(SCRIPTS_ALL) $(SCRIPTS_MORE1) $(SCRIPTS_MORE3) $(SCRIPTS_MORE4)
+SCRIPTS = $(SCRIPTS_ALL) $(SCRIPTS_MORE1) $(SCRIPTS_MORE4)
 
 TEST_OUTFILES = $(SCRIPTS_FIRST) $(SCRIPTS) $(SCRIPTS_WIN32) $(SCRIPTS_GUI)
 DOSTMP = dostmp