Remove excessively backpatched gitignore files

Peter Eisentraut <peter_e@gmx.net>

Commit: 335a00ab5708b9aaee179d0efa3b61f5549da4d3
Author: Peter Eisentraut <peter_e@gmx.net>
Date: 2011-07-11T16:07:26Z
Releases: 8.2.22
Remove excessively backpatched gitignore files

These caused directories from future releases to appear in the
backbranch tree.

Files