tools: Removes debug info to stdout when editing domain

Removes debug info printed to stdout when editing domain. It was added
by mistake in commit 22b5e93b4442ab1e63319c34f414762a7a027a06

Change-Id: Ib4d50cae72bbb51a473a54338ea0e902721acf86
Signed-off-by: Martin Perina <mperina@redhat.com>