GPU: Restart when changing inflight frames setting.

We need to keep the push and pull in step, so changing at runtime is
messy.

Core/Config.cpp

@@ -774,7 +774,7 @@ static ConfigSetting graphicsSettings[] = {
 	ConfigSetting("GfxDebugSplitSubmit", &g_Config.bGfxDebugSplitSubmit, false, false, false),
 	ConfigSetting("LogFrameDrops", &g_Config.bLogFrameDrops, false, true, false),
 
-	ConfigSetting("InflightFrames", &g_Config.iInflightFrames, 3, true, true),
+	ConfigSetting("InflightFrames", &g_Config.iInflightFrames, 3, true, false),
 
 	ConfigSetting(false),
 };