fix lint

Author: baileympearson

lib/model.js

@@ -69,7 +69,6 @@ const minimize = require('./helpers/minimize');
 const MongooseBulkSaveIncompleteError = require('./error/bulkSaveIncompleteError');
 const ObjectExpectedError = require('./error/objectExpected');
 const decorateBulkWriteResult = require('./helpers/model/decorateBulkWriteResult');
-const { ClientEncryption } = require('mongodb');
 const modelCollectionSymbol = Symbol('mongoose#Model#collection');
 const modelDbSymbol = Symbol('mongoose#Model#db');
 const modelSymbol = require('./helpers/symbols').modelSymbol;