patch 8.2.2103: Vim9: unreachable code

Problem:    Vim9: unreachable code.
Solution:   Remove the code to prepend s: to the variable name

src/version.c

@@ -750,6 +750,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    2103,
 /**/
     2102,
 /**/