clean up docs for log_statement_sample_rate

Justin Pryzby <pryzby@telsasoft.com>

From: Justin Pryzby <pryzby@telsasoft.com>

To: pgsql-hackers@postgresql.org

Cc: Alvaro Herrera <alvherre@alvh.no-ip.org>, Adrien NAYRAT <adrien.nayrat@anayrat.info>, Christoph Berg <myon@debian.org>

Date: 2019-03-28T13:59:18Z

Lists: pgsql-hackers

Commits

Same data as JSON: GET /api/v1/messages/:b64id/commits the thread's linked commits as JSON, with link sources. API reference →

Clean up some documentation for log_statement_sample_rate
- bc540f98599b 12.0 landed
Tweak docs for log_statement_sample_rate
- d1f04b96b99d 12.0 landed

Following the dicussion here,
https://www.postgresql.org/message-id/flat/CAD21AoB9%2By8N4%2BFan-ne-_7J5yTybPttxeVKfwUocKp4zT1vNQ%40mail.gmail.com#90a8316b1e643532e1cdb352c91c22a7

I'm proposing these changes to clean up docs for previous (more or less
unrelated) commit.