Core: Get rid of an unnecessary struct typedef in Boot.h.

Source/Core/Core/Boot/Boot.h

@@ -12,13 +12,13 @@
 #include "DiscIO/Volume.h"
 using DiscIO::IVolume;
 
-typedef struct CountrySetting
+struct CountrySetting
 {
 	const std::string area;
 	const std::string video;
 	const std::string game;
 	const std::string code;
-} CountrySetting;
+};
 
 class CBoot
 {