patch 9.0.0657: too many #ifdefs

Problem:    Too many #ifdefs.
Solution:   Graduate the +cmdwin feature.  Now the tiny and small builds are
            equal, drop the small build.  (Martin Tournoij, closes #11268)
diff --git a/src/testdir/Make_all.mak b/src/testdir/Make_all.mak
index 9a12f7f..7aff1e8 100644
--- a/src/testdir/Make_all.mak
+++ b/src/testdir/Make_all.mak
@@ -10,7 +10,7 @@
 # File to delete when testing starts
 CLEANUP_FILES = test.log messages starttime
 
-# Tests for tiny and small builds.
+# Tests for tiny build.
 SCRIPTS_TINY = \
 	test10 \
 	test20 \