packaging: setup: remove: first remove files, then content

remove is stronger than content.

Related-To: https://bugzilla.redhat.com/show_bug.cgi?id=1058018
Change-Id: Ibc4cc0c126dcc214ebaddd1bbdb2e86b7db4f5a8
Signed-off-by: Alon Bar-Lev <alonbl@redhat.com>