patch 8.2.1420: test 49 is old style

Problem:    Test 49 is old style.
Solution:   Convert remaining parts to new style. Remove obsolete items.
            (Yegappan Lakshmanan, closes #6683)

src/version.c

@@ -754,6 +754,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1420,
 /**/
     1419,
 /**/