winrt: Removed WinRT/Windows Phone/UWP support.

Fixes #10724.

build-scripts/SDL_migration.cocci

@@ -3117,11 +3117,6 @@ typedef SDL_Colour, SDL_Color;
 + SDL_Color
 @@
 @@
-- SDL_WinRTGetFSPathUTF8
-+ SDL_GetWinRTFSPath
-  (...)
-@@
-@@
 - SDL_iPhoneSetAnimationCallback
 + SDL_SetiOSAnimationCallback
   (...)
@@ -3527,11 +3522,6 @@ typedef SDL_Colour, SDL_Color;
   (...)
 @@
 @@
-- SDL_WinRTGetDeviceFamily
-+ SDL_GetWinRTDeviceFamily
-  (...)
-@@
-@@
 - SDL_LinuxSetThreadPriority
 + SDL_SetLinuxThreadPriority
   (...)

build-scripts/add-source-to-projects.pl

@@ -591,7 +591,6 @@ foreach (@ARGV) {
     process_xcode($arg, 'Xcode/SDL/SDL.xcodeproj/project.pbxproj');
     process_visualstudio($arg, 'VisualC/SDL/SDL.vcxproj');
     process_visualstudio($arg, 'VisualC-GDK/SDL/SDL.vcxproj');
-    process_visualstudio($arg, 'VisualC-WinRT/SDL-UWP.vcxproj');
 }
 
 print("Done. Please run `git diff` and make sure this looks okay!\n");

build-scripts/rename_macros.py

@@ -129,7 +129,6 @@ RENAMED_MACROS = {
     "__VITA__": "SDL_PLATFORM_VITA",
     "__3DS__": "SDL_PLATFORM_3DS",
     # "__unix__": "SDL_PLATFORM_UNIX,
-    "__WINRT__": "SDL_PLATFORM_WINRT",
     "__XBOXSERIES__": "SDL_PLATFORM_XBOXSERIES",
     "__XBOXONE__": "SDL_PLATFORM_XBOXONE",
     "__WINDOWS__": "SDL_PLATFORM_WINDOWS",
@@ -145,6 +144,7 @@ DEPRECATED_PLATFORM_MACROS = {
     "__NACL__",
     "__PNACL__",
     "__WINDOWS__",
+    "__WINRT__",
     "SDL_ALTIVEC_BLITTERS",
     "SDL_ARM_NEON_BLITTERS",
     "SDL_ARM_SIMD_BLITTERS",