CGE: Decrease delay amounts to give better precision for frame execution

engines/cge/cge_main.cpp

@@ -1423,7 +1423,7 @@ void CGEEngine::handleFrame() {
 		}
 
 		// Slight delay
-		g_system->delayMillis(10);
+		g_system->delayMillis(5);
 		millis = g_system->getMillis();
 	}
 	_lastFrame = millis;

engines/cge/vga13h.cpp

@@ -897,7 +897,7 @@ void Vga::setStatAdr() {
 void Vga::waitVR(bool on) {
 	// Since some of the game parts rely on using vertical sync as a delay mechanism,
 	// we're introducing a short delay to simulate it
-	g_system->delayMillis(10);
+	g_system->delayMillis(5);
 }