This reverts commit 34cc2c9a99f6542f009aa660790061f169aa96b3.
The reverted shell code is a very poor reimplementation of the existing
package-metadata.pl usergroup subcommand and the resulting file is not
used anymore, so drop this code.
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
Signed-off-by: maurerr <mariusd84@gmail.com>