We're >90 days into 2014, so according to the Data retention guidelines [1],
we should not have traffic logs from 2013.
Let's check that no 2013 traffic logs are around any longer and remove any
relicts that we find in stat1002's /a/squids/archive.
[1] http://meta.wikimedia.org/wiki/Data_retention_guidelines
Version: unspecified
Severity: normal
Whiteboard: u=AnalyticsEng c=EventLogging p=0 s=2014-10-30