postrm is in module-assistant 0.11.4.
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 | #!/bin/sh -e
case "$1" in
  purge)
	rm -rf /var/cache/modass 2>/dev/null
  ;;
  *)
	exit 0
  ;;
esac
 |