patch 8.2.3701: Vim9: invalid LHS is not possible

Problem:    Vim9: invalid LHS is not possible.
Solution:   Remove unreachable error message.
diff --git a/src/version.c b/src/version.c
index c7daabc..b8dbf37 100644
--- a/src/version.c
+++ b/src/version.c
@@ -754,6 +754,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    3701,
+/**/
     3700,
 /**/
     3699,