refactor: remove unused _templateSettings

lib/dialects/abstract/query-generator.js

@@ -36,9 +36,6 @@ class QueryGenerator {
     // dialect name
     // dialect name
     this.dialect = options._dialect.name;
     this.dialect = options._dialect.name;
     this._dialect = options._dialect;
     this._dialect = options._dialect;
-
-    // template config
-    this._templateSettings = require('lodash').runInContext().templateSettings;
   }
   }
 
 
   extractTableDetails(tableName, options) {
   extractTableDetails(tableName, options) {