Remove obsolete comment.

In earlier versions of the sync rep patch, waiters removed themselves from
the queue, but now walsender removes them before doing the wakeup.

Report by Fujii Masao.

Branch
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master

Details
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http://git.postgresql.org/pg/commitdiff/e397d2ee6474865becb8f99ac28586736788f1f2

Modified Files
--------------
src/include/replication/walsender.h |    3 +--
1 files changed, 1 insertions(+), 2 deletions(-)

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Next:	From: Robert Haas	Date: 2011-03-10 20:04:57
	Subject: Re: [COMMITTERS] pgsql: Efficient transaction-controlled synchronous replication.
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	Subject: pgsql: Minor sync rep corrections.