code: public Response remove() {
          assertNotEmpty(replicatorDoc.getId(), "Doc id");
          assertNotEmpty(replicatorDoc.getRevision(), "Doc rev");
          final URI uri = new DatabaseURIHelper(dbURI).path(replicatorDoc.getId())
                  .query("rev", replicatorDoc.getRevision()).build();
          return client.delete(uri);
      }
docs: Removes a document from the replicator database.
  
  @return {@link Response}