postrm is in wgerman-medical 20110608-1.
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 14 15 16 17 18 19 20 21 22 23 24 25 | #!/bin/sh
set -e
# Automatically added by dh_installdebconf
if [ "$1" = purge ] && [ -e /usr/share/debconf/confmodule ]; then
	. /usr/share/debconf/confmodule
	db_purge
fi
# End automatically added section
# Automatically added by installdeb-wordlist
rmscript="remove-default-wordlist"
case "$1" in abort-install|remove)
	if which $rmscript > /dev/null 2>&1; then
	    $rmscript wgerman-medical
	else
	    echo "Warning: $rmscript not present or executable." >&2
	fi
        # Remove shared question stuff on package removal, not only on purge
	if [ -e /usr/share/debconf/confmodule ]; then
	    . /usr/share/debconf/confmodule
	    db_purge
	fi
esac
# End automatically added section
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