Removed SDL_bool in favor of plain bool

We require stdbool.h in the build environment, so we might as well use the plain bool type.

If your environment doesn't have stdbool.h, this simple replacement will suffice:
typedef signed char bool;

include/SDL3/SDL_hidapi.h

@@ -537,11 +537,11 @@ extern SDL_DECLSPEC int SDLCALL SDL_hid_get_report_descriptor(SDL_hid_device *de
 /**
  * Start or stop a BLE scan on iOS and tvOS to pair Steam Controllers.
  *
- * \param active SDL_TRUE to start the scan, SDL_FALSE to stop the scan.
+ * \param active true to start the scan, false to stop the scan.
  *
  * \since This function is available since SDL 3.0.0.
  */
-extern SDL_DECLSPEC void SDLCALL SDL_hid_ble_scan(SDL_bool active);
+extern SDL_DECLSPEC void SDLCALL SDL_hid_ble_scan(bool active);
 
 /* Ends C function definitions when using C++ */
 #ifdef __cplusplus