Remove the duplicate_ids property in the 3rd aggregator output doc
Remove the duplicate_ids property in the 3rd aggregator output doc

As of fbff36087770fae4ec0078ffb3b7783aa1de6b7a, this property
will not be necessary in detecting duplicates.

jsdelfino/cf-abacus-experiment,KRuelY/cf-abacus,pombredanne/cf-abacus,jsdelfino/x-abacus,pombredanne/cf-abacus,jsdelfino/x-abacus,pombredanne/cf-abacus,cloudfoundry-incubator/cf-abacus,nmaslarski/cf-abacus,BetaFood/cf-abacus-dev,rajkiranrbala/cf-abacus,rajkiranrbala/cf-abacus,KRuelY/cf-abacus,KRuelY/cf-abacus,nmaslarski/cf-abacus,cloudfoundry-incubator/cf-abacus,18F/cf-abacus,BetaFood/cf-abacus-dev,jsdelfino/d-abacus,jsdelfino/d-abacus,pombredanne/cf-abacus,rajkiranrbala/cf-abacus,BetaFood/cf-abacus-dev,KRuelY/cf-abacus,cloudfoundry-incubator/cf-abacus,jsdelfino/cf-abacus-experiment,danparsons/cf-abacus,danparsons/cf-abacus,nmaslarski/cf-abacus,18F/cf-abacus,rajkiranrbala/cf-abacus,jsdelfino/d-abacus,jsdelfino/d-abacus,jsdelfino/cf-abacus-experiment,danparsons/cf-abacus,jsdelfino/x-abacus,18F/cf-abacus,jsdelfino/x-abacus,nmaslarski/cf-abacus