Database::query - skip WikiaDataAccess when generating the caller

SELECT /* WikiaDataAccess:cacheWithLock x.x.x.x */ namespace_id, article_id, pageviews as pv
     FROM rollup_wiki_article_pageviews
     ...
Merge pull request #5730 from Wikia/db-query-fname-autogenerated

Database::query - skip WikiaDataAccess when autgenerating the caller