org-manual: Move the default result handing at the top

`replace` is the default option for the :results header option for the
source blocks.  Move it to the top of the list.

Signed-off-by: Yasushi SHOJI <yashi@spacecubics.com>

doc/org-manual.org

@@ -17761,16 +17761,16 @@ value listed above.  E.g.,
 
 Handling options after collecting the results.
 
-- =silent= ::
-
-  Do not insert results in the Org mode buffer, but echo them in the
-  minibuffer.  Usage example: =:results output silent=.
-
 - =replace= ::
 
   Default.  Insert results in the Org buffer.  Remove previous
   results.  Usage example: =:results output replace=.
 
+- =silent= ::
+
+  Do not insert results in the Org mode buffer, but echo them in the
+  minibuffer.  Usage example: =:results output silent=.
+
 - =append= ::
 
   Append results to the Org buffer.  Latest results are at the bottom.