code: function findOneAndDelete(coll, filter, options, callback) {
    // Final options
    const finalOptions = Object.assign({}, options);
    finalOptions.fields = options.projection;
    finalOptions.remove = true;
    // Execute find and Modify
    findAndModify(coll, filter, options.sort, null, finalOptions, callback);
  }
docs: Find a document and delete it in one atomic operation. This requires a write lock for the duration of the operation.
  
  @method
  @param {Collection} a Collection instance.
  @param {object} filter Document selection filter.
  @param {object} [options] Optional settings. See Collection.prototype.findOneAndDelete for a list of options.
  @param {Collection~findAndModifyCallback} [callback] The collection result callback