removed WinRT support.

include/SDL_system.h

@@ -466,109 +466,6 @@ extern DECLSPEC int SDLCALL SDL_AndroidSendMessage(Uint32 command, int param);
 
 #endif /* __ANDROID__ */
 
-/* Platform specific functions for WinRT */
-#ifdef __WINRT__
-
-/**
- *  \brief WinRT / Windows Phone path types
- */
-typedef enum
-{
-    /** \brief The installed app's root directory.
-        Files here are likely to be read-only. */
-    SDL_WINRT_PATH_INSTALLED_LOCATION,
-
-    /** \brief The app's local data store.  Files may be written here */
-    SDL_WINRT_PATH_LOCAL_FOLDER,
-
-    /** \brief The app's roaming data store.  Unsupported on Windows Phone.
-        Files written here may be copied to other machines via a network
-        connection.
-    */
-    SDL_WINRT_PATH_ROAMING_FOLDER,
-
-    /** \brief The app's temporary data store.  Unsupported on Windows Phone.
-        Files written here may be deleted at any time. */
-    SDL_WINRT_PATH_TEMP_FOLDER
-} SDL_WinRT_Path;
-
-
-/**
- *  \brief WinRT Device Family
- */
-typedef enum
-{
-    /** \brief Unknown family  */
-    SDL_WINRT_DEVICEFAMILY_UNKNOWN,
-
-    /** \brief Desktop family*/
-    SDL_WINRT_DEVICEFAMILY_DESKTOP,
-
-    /** \brief Mobile family (for example smartphone) */
-    SDL_WINRT_DEVICEFAMILY_MOBILE,
-
-    /** \brief XBox family */
-    SDL_WINRT_DEVICEFAMILY_XBOX,
-} SDL_WinRT_DeviceFamily;
-
-
-/**
- * Retrieve a WinRT defined path on the local file system.
- *
- * Not all paths are available on all versions of Windows. This is especially
- * true on Windows Phone. Check the documentation for the given SDL_WinRT_Path
- * for more information on which path types are supported where.
- *
- * Documentation on most app-specific path types on WinRT can be found on
- * MSDN, at the URL:
- *
- * https://msdn.microsoft.com/en-us/library/windows/apps/hh464917.aspx
- *
- * \param pathType the type of path to retrieve, one of SDL_WinRT_Path
- * \returns a UCS-2 string (16-bit, wide-char) containing the path, or NULL if
- *          the path is not available for any reason; call SDL_GetError() for
- *          more information.
- *
- * \since This function is available since SDL 2.0.3.
- *
- * \sa SDL_WinRTGetFSPathUTF8
- */
-extern DECLSPEC const wchar_t * SDLCALL SDL_WinRTGetFSPathUNICODE(SDL_WinRT_Path pathType);
-
-/**
- * Retrieve a WinRT defined path on the local file system.
- *
- * Not all paths are available on all versions of Windows. This is especially
- * true on Windows Phone. Check the documentation for the given SDL_WinRT_Path
- * for more information on which path types are supported where.
- *
- * Documentation on most app-specific path types on WinRT can be found on
- * MSDN, at the URL:
- *
- * https://msdn.microsoft.com/en-us/library/windows/apps/hh464917.aspx
- *
- * \param pathType the type of path to retrieve, one of SDL_WinRT_Path
- * \returns a UTF-8 string (8-bit, multi-byte) containing the path, or NULL if
- *          the path is not available for any reason; call SDL_GetError() for
- *          more information.
- *
- * \since This function is available since SDL 2.0.3.
- *
- * \sa SDL_WinRTGetFSPathUNICODE
- */
-extern DECLSPEC const char * SDLCALL SDL_WinRTGetFSPathUTF8(SDL_WinRT_Path pathType);
-
-/**
- * Detects the device family of WinRT platform at runtime.
- *
- * \returns a value from the SDL_WinRT_DeviceFamily enum.
- *
- * \since This function is available since SDL 2.0.8.
- */
-extern DECLSPEC SDL_WinRT_DeviceFamily SDLCALL SDL_WinRTGetDeviceFamily();
-
-#endif /* __WINRT__ */
-
 /**
  * Query if the current device is a tablet.
  *