Small typo fix on tableam documentation

Hi,

On 2019-04-05 16:26:16 +0000, Alexis Andrieu wrote:

I noticed a small typo (word 'the' is repeated twice) in the recent tableam doc.

The patch remove the typo in the doc ('/doc/src/sgml/tableam.sgml').

Thanks for noticing and reporting! It was already reported by Justin
Pryzby. I'd have given you co-credit if I had seen this email beforehand.

commit 86cc06d1cf9c30be3b79207242e6746f0f0b681c (HEAD -> master, upstream/master)
Author: Andres Freund <andres@anarazel.de>
Date: 2019-04-05 09:45:59 -0700

table: docs: fix typos and grammar.

Author: Justin Pryzby
Discussion: /messages/by-id/20190404055138.GA24864@telsasoft.com

- Andres