winrt: Removed WinRT/Windows Phone/UWP support.

Fixes #10724.

src/power/SDL_power.c

@@ -71,9 +71,6 @@ static SDL_GetPowerInfo_Impl implementations[] = {
 #ifdef SDL_POWER_N3DS // handles N3DS.
     SDL_GetPowerInfo_N3DS,
 #endif
-#ifdef SDL_POWER_WINRT // handles WinRT
-    SDL_GetPowerInfo_WinRT,
-#endif
 #ifdef SDL_POWER_EMSCRIPTEN // handles Emscripten
     SDL_GetPowerInfo_Emscripten,
 #endif

src/power/SDL_syspower.h

@@ -38,7 +38,6 @@ bool SDL_GetPowerInfo_Android(SDL_PowerState *, int *, int *);
 bool SDL_GetPowerInfo_PSP(SDL_PowerState *, int *, int *);
 bool SDL_GetPowerInfo_VITA(SDL_PowerState *, int *, int *);
 bool SDL_GetPowerInfo_N3DS(SDL_PowerState *, int *, int *);
-bool SDL_GetPowerInfo_WinRT(SDL_PowerState *, int *, int *);
 bool SDL_GetPowerInfo_Emscripten(SDL_PowerState *, int *, int *);
 
 // this one is static in SDL_power.c

src/power/winrt/SDL_syspower.cpp

@@ -1,39 +0,0 @@
-/*
-  Simple DirectMedia Layer
-  Copyright (C) 1997-2024 Sam Lantinga <slouken@libsdl.org>
-
-  This software is provided 'as-is', without any express or implied
-  warranty.  In no event will the authors be held liable for any damages
-  arising from the use of this software.
-
-  Permission is granted to anyone to use this software for any purpose,
-  including commercial applications, and to alter it and redistribute it
-  freely, subject to the following restrictions:
-
-  1. The origin of this software must not be misrepresented; you must not
-     claim that you wrote the original software. If you use this software
-     in a product, an acknowledgment in the product documentation would be
-     appreciated but is not required.
-  2. Altered source versions must be plainly marked as such, and must not be
-     misrepresented as being the original software.
-  3. This notice may not be removed or altered from any source distribution.
-*/
-#include "SDL_internal.h"
-
-#ifndef SDL_POWER_DISABLED
-#if SDL_POWER_WINRT
-
-extern "C" bool
-SDL_GetPowerInfo_WinRT(SDL_PowerState *state, int *seconds, int *percent)
-{
-    // TODO, WinRT: Battery info is available on at least one WinRT platform (Windows Phone 8).  Implement SDL_GetPowerInfo_WinRT as appropriate.
-    /* Notes:
-         - the Win32 function, GetSystemPowerStatus, is not available for use on WinRT
-         - Windows Phone 8 has a 'Battery' class, which is documented as available for C++
-             - More info on WP8's Battery class can be found at http://msdn.microsoft.com/library/windowsphone/develop/jj207231
-    */
-    return false;
-}
-
-#endif // SDL_POWER_WINRT
-#endif // SDL_POWER_DISABLED