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 <doug@doughellmann.com>

jenkins/jobs/release-jobs.yaml

@@ -22,11 +22,4 @@
           /usr/local/jenkins/slave_scripts/release-tools/branch_from_yaml.sh $(pwd)
 
     publishers:
-      - scp:
-          site: 'static.openstack.org'
-          files:
-            - target: 'logs/$LOG_PATH'
-              source: 'cover/**'
-              keep-hierarchy: true
-              copy-after-failure: true
       - console-log