removed unused private method

lib/query-interface.js

@@ -247,14 +247,5 @@ module.exports = (function() {
     }).run()
     }).run()
   }
   }
 
 
-  var query = function() {
-    var args = Utils._.map(arguments, function(arg, _) { return arg })
-
-    // add this as callee via the second argument
-    if(arguments.length == 1) args.push(this)
-
-    return this.sequelize.query.apply(this.sequelize, args)
-  }
-
   return QueryInterface
   return QueryInterface
 })()
 })()