Removed SDL_HINT_ACCELEROMETER_AS_JOYSTICK

Sensors are a first-class object in SDL and we haven't gotten any feedback that this feature is useful these days.

Closes https://github.com/libsdl-org/SDL/pull/7879

include/SDL3/SDL_hints.h

@@ -47,15 +47,6 @@
 extern "C" {
 #endif
 
-/**
- * Set if Android/iOS accelerometers should be listed as joystick devices.
- *
- * This variable can be set to the following values:
- *    "0"       - The accelerometer is not listed as a joystick
- *    "1"       - The accelerometer is available as a 3 axis joystick (the default).
- */
-#define SDL_HINT_ACCELEROMETER_AS_JOYSTICK "SDL_ACCELEROMETER_AS_JOYSTICK"
-
 /**
  * Specify the behavior of Alt+Tab while the keyboard is grabbed.
  *