Rename initApi() to init() in workers [PREMIUM-4]

lib/Cron/Workers/Bounce.php

@@ -21,7 +21,7 @@ class Bounce extends SimpleWorker {
 
   public $api;
 
-  function initApi() {
+  function init() {
     if(!$this->api) {
       $mailer_config = Mailer::getMailerConfig();
       $this->api = new API($mailer_config['mailpoet_api_key']);

lib/Cron/Workers/KeyCheck/KeyCheckWorker.php

@@ -13,7 +13,7 @@ abstract class KeyCheckWorker extends SimpleWorker {
 
   public $bridge;
 
-  function initApi() {
+  function init() {
     if(!$this->bridge) {
       $this->bridge = new Bridge();
     }

lib/Cron/Workers/SimpleWorker.php

@@ -19,12 +19,6 @@ abstract class SimpleWorker {
     CronHelper::enforceExecutionLimit($this->timer);
   }
 
-  function init() {
-    if(is_callable(array($this, 'initApi'))) {
-      $this->initApi();
-    }
-  }
-
   function checkProcessingRequirements() {
     return true;
   }
@@ -34,7 +28,9 @@ abstract class SimpleWorker {
       return false;
     }
 
-    $this->init();
+    if(is_callable(array($this, 'init'))) {
+      $this->init();
+    }
 
     $scheduled_queues = self::getScheduledQueues();
     $running_queues = self::getRunningQueues();