patch 8.0.0201: completion of highlight groups includes cleared names

Problem:    When completing a group name for a highlight or syntax command
            cleared groups are included.
Solution:   Skip groups that have been cleared.
diff --git a/src/version.c b/src/version.c
index 1d7af33..8184b66 100644
--- a/src/version.c
+++ b/src/version.c
@@ -765,6 +765,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    201,
+/**/
     200,
 /**/
     199,