iostool: remove debug message

Change-Id: I7c33924dbf46c77f9f384f108bc6b258f59a6d56
Reviewed-by: Fawzi Mohamed <fawzi.mohamed@digia.com>

src/tools/iostool/main.cpp

@@ -907,7 +907,6 @@ GdbRunner::GdbRunner(IosTool *iosTool, int gdbFd) :
 
 void GdbRunner::run()
 {
-    m_iosTool->errorMsg(QString::fromLatin1("GdbRunner in thread %1").arg((quintptr)(void *)QThread::currentThread()));
     {
         QMutexLocker l(&m_iosTool->m_xmlMutex);
         if (!m_iosTool->splitAppOutput) {