postrm is in gnome-gmail 2.5.4-3.
This file is a maintainer script. It is executed when installing (*inst) or removing (*rm) the package.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 | #!/bin/sh
set -e
case "$1" in
purge)
rm -rf /home/*/.config/gnome-gmail/
;;
esac
exit 0
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