Sync SDL3 header -> wiki

Author: SDLWikiBot

SDL3/SDL_CreateTrayWithProperties.md

@@ -53,9 +53,6 @@ These are the supported properties:
 - [`SDL_PROP_TRAY_CREATE_MIDDLECLICK_CALLBACK_POINTER`](SDL_PROP_TRAY_CREATE_MIDDLECLICK_CALLBACK_POINTER):
   an [SDL_TrayClickCallback](SDL_TrayClickCallback) to be invoked when the
   tray icon is middle-clicked. Not supported on all platforms. May be NULL.
-- [`SDL_PROP_TRAY_CREATE_DOUBLECLICK_CALLBACK_POINTER`](SDL_PROP_TRAY_CREATE_DOUBLECLICK_CALLBACK_POINTER):
-  an [SDL_TrayClickCallback](SDL_TrayClickCallback) to be invoked when the
-  tray icon is double-clicked. Not supported on all platforms. May be NULL.
 
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