patch 8.1.0399: 'hlsearch' highlight remains in other window

Problem:    'hlsearch' highlight remains in other window after cancelling
            command.
Solution:   Redraw all windows. Also remove unnecessary delays. (closes #3437)
diff --git a/src/version.c b/src/version.c
index adde06a..f991cd0 100644
--- a/src/version.c
+++ b/src/version.c
@@ -795,6 +795,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    399,
+/**/
     398,
 /**/
     397,