remove extraneous logging from release job
remove extraneous logging from release job

The tag-releases job does not log under the "cover" directory, so
there's no need to try to copy those files to the log server.

Change-Id: Ia417c4ad4d5db0e4c63498965e856ce1d374aa96
Signed-off-by: Doug Hellmann <0798ebecfb7bc4dfb9d0445c2fa030eb64e1fa1c@doughellmann.com>

Tesora/tesora-project-config,openstack-infra/project-config,openstack-infra/project-config,Tesora/tesora-project-config