[entities] Optimize CWUser.properties. This property gets called each time a user connects to a repository, which means a lot. This optimisation cuts its execution time by 5 according to my tests

#! /bin/sh -e
#

if [ "$1" = remove -o "$1" = upgrade ]; then
  if which install-docs >/dev/null 2>&1; then
    install-docs -r cubicweb-doc
  fi
fi

#DEBHELPER#

exit 0