[Docs] Correct response json in rank-eval.asciidoc
[Docs] Correct response json in rank-eval.asciidoc

vroyer/elasticassandra,strapdata/elassandra,vroyer/elasticassandra,vroyer/elassandra,vroyer/elassandra,strapdata/elassandra,strapdata/elassandra,strapdata/elassandra,vroyer/elasticassandra,vroyer/elassandra,strapdata/elassandra