patch 8.2.1623: Vim9: using :call where it is not needed

Problem:    Vim9: using :call where it is not needed.
Solution:   Remove :call. (closes #6892)
diff --git a/src/version.c b/src/version.c
index 1180a60..ae775d9 100644
--- a/src/version.c
+++ b/src/version.c
@@ -755,6 +755,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1623,
+/**/
     1622,
 /**/
     1621,