remove duplicated code from EndMeetingResponse

Author: sualko

src/Responses/EndMeetingResponse.php

@@ -26,22 +26,6 @@ class EndMeetingResponse extends BaseResponse
 {
     const KEY_SET_END_MEETING_REQUEST = 'sentEndMeetingRequest';
 
-    /**
-     * @return string
-     */
-    public function getMessageKey()
-    {
-        return $this->rawXml->messageKey->__toString();
-    }
-
-    /**
-     * @return string
-     */
-    public function getMessage()
-    {
-        return $this->rawXml->message->__toString();
-    }
-
     /**
      * @return bool
      */