qa_crowbarsetup.sh: Download the staticlink image only
qa_crowbarsetup.sh: Download the staticlink image only

The previous regexp is matching both the BuildXX and the
static link download location, causing the media to be
downloaded twice because apparently the server is no longer
handling symlinks as http redirects. This fills up the
root disk and the installation breaks.

SUSE-Cloud/automation,gosipyan/automation,aspiers/automation,SUSE-Cloud/automation,gosipyan/automation,gosipyan/automation,SUSE-Cloud/automation,aspiers/automation,SUSE-Cloud/automation,gosipyan/automation,aspiers/automation,aspiers/automation