Remove installation of manpages into section 2

There are no manpages in this section in quota tools anymore. So just
remove the installation commands.

Signed-off-by: Carsten Grohmann <cgrohmann@users.sf.net>
Signed-off-by: Jan Kara <jack@suse.cz>
Add support for CVS and XML output formats to repquota(8)

JK: Fixup localization and handling of multiple output filesystems /
types.

Signed-off-by: Jonathan Overholt <jonathan@overholt.org>
Signed-off-by: Jan Kara <jack@suse.cz>