patch 8.0.1273: old test file remaining

Problem:    Old test file remaining.
Solution:   Delete it.

Author: brammool

src/testdir/test_search_mbyte.ok

@@ -761,6 +761,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1273,
 /**/
     1272,
 /**/