Remove unnecessary tests
Remove unnecessary tests

Remove unnecessary tests for log_publisher connected with
kafka key building.

Change-Id: I9bdf1e1fc868090fea6bbfd6daca7278aafb0324

openstack/monasca-log-api,stackforge/monasca-log-api,openstack/monasca-log-api,openstack/monasca-log-api,stackforge/monasca-log-api,stackforge/monasca-log-api