Remove rsyslog added tags in openstack logs
Remove rsyslog added tags in openstack logs

To process logs by os_loganalyze on log server, the format
need to be the same as in original log files.

Change-Id: I07935eae0d29005725a27f8b4b4056219ccf7005

baigk/compass-core,baigk/compass-core,baigk/compass-core,openstack/compass-core,stackforge/compass-core,openstack/compass-core,stackforge/compass-core,stackforge/compass-core,stackforge/compass-core,openstack/compass-core,openstack/compass-core