Inline open_doc_revs into open_docs
Inline open_doc_revs into open_docs

This function was trivial and never reused. It was more confusing to
have it as a separate function rather than just inlining into where it's
used.

fkaempfer/couchdb,fkaempfer/couchdb,fkaempfer/couchdb,fkaempfer/couchdb,fkaempfer/couchdb,fkaempfer/couchdb