code: public Response remove(String id, String rev) {
          assertNotEmpty(id, "id");
          assertNotEmpty(rev, "rev");
          final URI uri = new DatabaseURIHelper(dbUri).documentUri(id, rev);
          return couchDbClient.delete(uri);
      }
docs: Removes a document from the database given both a document <code>_id</code> and
  <code>_rev</code> values.
  
  @param id  The document _id field.
  @param rev The document _rev field.
  @return {@link Response}
  @throws NoDocumentException If the document is not found in the database.