patch 8.2.0008: test72 is old style

Problem:    Test72 is old style.
Solution:   Convert to new style test. (Yegappan Lakshmanan, closes #5362)
diff --git a/src/Makefile b/src/Makefile
index fc0ffa7..6b1881d 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -2256,7 +2256,7 @@
 	test42 test44 test49 \
 	test52 test59 \
 	test64 test69 \
-	test70 test72 \
+	test70 \
 	test86 test87 \
 	test95 test99:
 	cd testdir; rm -f $@.out; $(MAKE) -f Makefile $@.out VIMPROG=../$(VIMTESTTARGET) $(GUI_TESTARG) SCRIPTSOURCE=../$(SCRIPTSOURCE)