remove xbox support; it doesn't work, and it'd take too much effort to get it working again

src/archutils/Win32/AppInstance.h

@@ -1,9 +1,7 @@
 #ifndef APP_INSTANCE_H
 #define APP_INSTANCE_H
 
-#if !defined(_XBOX)
-#  include "windows.h"
-#endif
+#include "windows.h"
 
 /** @brief get an HINSTANCE for starting dialog boxes. */
 class AppInstance

src/archutils/Win32/DirectXHelpers.cpp

@@ -2,14 +2,10 @@
 #include "DirectXHelpers.h"
 #include "RageUtil.h"
 
-#ifdef _XBOX
-#  include <D3DX8Core.h>
-#else
-#  include <windows.h>
-#  include <dxerr8.h>
-#  if defined(_MSC_VER)
-#    pragma comment(lib, "dxerr8.lib")
-#  endif
+#include <windows.h>
+#include <dxerr8.h>
+#if defined(_MSC_VER)
+#  pragma comment(lib, "dxerr8.lib")
 #endif
 
 RString hr_ssprintf( int hr, const char *fmt, ... )
@@ -19,13 +15,7 @@ RString hr_ssprintf( int hr, const char *fmt, ... )
 	RString s = vssprintf( fmt, va );
 	va_end(va);
 
-#ifdef _XBOX
-	char szError[1024] = "";
-	D3DXGetErrorString( hr, szError, sizeof(szError) );
-#else
 	const char *szError = DXGetErrorString8( hr );
-#endif
-
 	return s + ssprintf( " (%s)", szError );
 }
 

src/archutils/Win32/ErrorStrings.cpp

@@ -2,17 +2,13 @@
 #include "ErrorStrings.h"
 #include "RageUtil.h"
 
-#if !defined(XBOX)
 #include <windows.h>
-#endif
 
 RString werr_ssprintf( int err, const char *fmt, ... )
 {
 	char buf[1024] = "";
-#ifndef _XBOX
 	FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM,
 		0, err, 0, buf, sizeof(buf), NULL);
-#endif
 
 	// Why is FormatMessage returning text ending with \r\n? (who? -aj)
 	// Perhaps it's because you're on Windows, where newlines are \r\n. -aj

src/archutils/Win32/arch_setup.h

@@ -1,14 +1,10 @@
 #ifndef ARCH_SETUP_WINDOWS_H
 #define ARCH_SETUP_WINDOWS_H
 
-#if !defined(XBOX)
 #define HAVE_FFMPEG
 #define HAVE_THEORA
-#endif
 
-#if !defined(XBOX)
 #define SUPPORT_OPENGL
-#endif
 #define SUPPORT_D3D
 
 #if defined(__MINGW32__)
@@ -143,25 +139,13 @@ inline long int lrintf( float f )
 
 /* We implement the crash handler interface (though that interface isn't
  * completely uniform across platforms yet). */
-#if !defined(_XBOX) && !defined(SMPACKAGE)
+#if !defined(SMPACKAGE)
 #define CRASH_HANDLER
 #endif
 
 #define ENDIAN_LITTLE
 
-#if defined(_XBOX)
-#if defined(_DEBUG)
-#define OGG_LIB_DIR "vorbis/xbox/debug/"
-#else
-#define OGG_LIB_DIR "vorbis/xbox/release/"
-#endif
-#else
 #define OGG_LIB_DIR "vorbis/win32/"
-#endif
-
-#if defined(XBOX)
-#include "ArchUtils/Xbox/arch_setup.h"
-#endif
 
 #if defined(__GNUC__) // It might be MinGW or Cygwin(?)
 #include "archutils/Common/gcc_byte_swaps.h"