patch 8.1.0344: 'hlsearch' highlighting has a gap after /$

Problem:    'hlsearch' highlighting has a gap after /$.
Solution:   Remove suspicious code. (Ricky Zhou, closes #3400)
diff --git a/src/version.c b/src/version.c
index 1077b9a..b1e76e5 100644
--- a/src/version.c
+++ b/src/version.c
@@ -795,6 +795,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    344,
+/**/
     343,
 /**/
     342,