Removed SDL_INIT_NOPARACHUTE

Fixes https://github.com/libsdl-org/SDL/issues/7121

docs/README-migration.md

@@ -284,6 +284,9 @@ The following hints have been removed:
 The following symbols have been renamed:
 * SDL_INIT_GAMECONTROLLER => SDL_INIT_GAMEPAD
 
+The following symbols have been removed:
+* SDL_INIT_NOPARACHUTE
+
 ## SDL_joystick.h
 
 SDL_JoystickID has changed from Sint32 to Uint32, with an invalid ID being 0.

include/SDL3/SDL_init.h

@@ -53,7 +53,6 @@ extern "C" {
 #define SDL_INIT_GAMEPAD        0x00002000u  /**< SDL_INIT_GAMEPAD implies SDL_INIT_JOYSTICK */
 #define SDL_INIT_EVENTS         0x00004000u
 #define SDL_INIT_SENSOR         0x00008000u
-#define SDL_INIT_NOPARACHUTE    0x00100000u  /**< compatibility; this flag is ignored. */
 #define SDL_INIT_EVERYTHING ( \
                 SDL_INIT_TIMER | SDL_INIT_AUDIO | SDL_INIT_VIDEO | SDL_INIT_EVENTS | \
                 SDL_INIT_JOYSTICK | SDL_INIT_HAPTIC | SDL_INIT_GAMEPAD | SDL_INIT_SENSOR \
@@ -89,7 +88,6 @@ extern "C" {
  *   initializes the joystick subsystem
  * - `SDL_INIT_EVENTS`: events subsystem
  * - `SDL_INIT_EVERYTHING`: all of the above subsystems
- * - `SDL_INIT_NOPARACHUTE`: compatibility; this flag is ignored
  *
  * Subsystem initialization is ref-counted, you must call SDL_QuitSubSystem()
  * for each SDL_InitSubSystem() to correctly shutdown a subsystem manually (or
@@ -148,8 +146,6 @@ extern DECLSPEC void SDLCALL SDL_QuitSubSystem(Uint32 flags);
  * \returns a mask of all initialized subsystems if `flags` is 0, otherwise it
  *          returns the initialization status of the specified subsystems.
  *
- *          The return value does not include SDL_INIT_NOPARACHUTE.
- *
  * \since This function is available since SDL 3.0.0.
  *
  * \sa SDL_Init