chore: qemitter -> async-emitter

lib/passthrough-emitter.js

@@ -1,9 +1,9 @@
 'use strict';
 
 const _ = require('lodash'),
-    QEmitter = require('qemitter');
+    AsyncEmitter = require('gemini-core').events.AsyncEmitter;
 
-module.exports = class PassthroughEmitter extends QEmitter {
+module.exports = class PassthroughEmitter extends AsyncEmitter {
     // Allow to pass only one argument with event
     emit(type, data) {
         return super.emit(type, data);