Fix some trailing whitespace in documentation files

Peter Eisentraut <peter@eisentraut.org>

Commit: 5a892c9b154f513a42c4a42cdfdae524ce33c86a
Author: Peter Eisentraut <peter@eisentraut.org>
Date: 2022-04-16T07:05:07Z
Releases: 15.0
Fix some trailing whitespace in documentation files

Files

Documentation touched