Don't call reconfigure from render thread.

CCBUG: 428632

src/monitor/glwidget.cpp

@@ -216,7 +216,6 @@ void GLWidget::initializeGL()
     connect(m_frameRenderer, &FrameRenderer::frameDisplayed, this, &GLWidget::frameDisplayed, Qt::QueuedConnection);
     m_initSem.release();
     m_isInitialized = true;
-    reconfigure();
 }
 
 void GLWidget::resizeGL(int width, int height)