Remove tag parameter from docker-image-collector.sh

Removing tag parameter from docker-image-collector.sh as it's not
necessary as described in OOM-1881

Issue-ID: OOM-1885

Change-Id: Id83b396c4b994cfa659c518e3f03e704a84d65f0
Signed-off-by: Tomáš Levora <t.levora@partner.samsung.com>
1 file changed