perf: Disable "Loading Renderer" message

Disable message when loading a new renderer, less I/O, more performance :p

Author: DanielSant0s

src/renderermanager.cpp

@@ -622,7 +622,7 @@ void CRendererManager::LoadRenderer(CVifSCDmaPacket& packet)
 {
     mAssert(CurrentRenderer != NULL);
 
-    printf("Loading renderer: %s\n", CurrentRenderer->renderer->GetName());
+    GL_FUNC_DEBUG("Loading renderer: %s\n", CurrentRenderer->renderer->GetName());
 
     CurrentRenderer->renderer->Load();