joystick: Remove force_centering flag; we handle this on disconnect now.

src/joystick/SDL_gamecontroller.c

@@ -2139,7 +2139,7 @@ SDL_PrivateGameControllerButton(SDL_GameController * gamecontroller, SDL_GameCon
                 return (0);
             }
         } else {
-            if (!SDL_TICKS_PASSED(now, gamecontroller->guide_button_down+SDL_MINIMUM_GUIDE_BUTTON_DELAY_MS) && !gamecontroller->joystick->force_recentering) {
+            if (!SDL_TICKS_PASSED(now, gamecontroller->guide_button_down+SDL_MINIMUM_GUIDE_BUTTON_DELAY_MS)) {
                 gamecontroller->joystick->delayed_guide_button = SDL_TRUE;
                 return (0);
             }

src/joystick/SDL_joystick.c

@@ -1371,12 +1371,6 @@ SDL_JoystickUpdate(void)
             }
             SDL_UnlockJoysticks();
         }
-
-        /* !!! FIXME: only one thing sets force_recentering now (the Darwin code), see if that can be removed. */
-        if (joystick->force_recentering) {
-            SDL_PrivateJoystickForceRecentering(joystick);
-            joystick->force_recentering = SDL_FALSE;
-        }
     }
 
     SDL_LockJoysticks();

src/joystick/SDL_sysjoystick.h

@@ -67,7 +67,6 @@ struct _SDL_Joystick
     SDL_bool attached;
     SDL_bool is_game_controller;
     SDL_bool delayed_guide_button; /* SDL_TRUE if this device has the guide button event delayed */
-    SDL_bool force_recentering; /* SDL_TRUE if this device needs to have its state reset to 0 */
     SDL_JoystickPowerLevel epowerlevel; /* power level of this joystick, SDL_JOYSTICK_POWER_UNKNOWN if not supported */
     struct _SDL_JoystickDriver *driver;
 

src/joystick/darwin/SDL_sysjoystick.c

@@ -936,7 +936,6 @@ DARWIN_JoystickUpdate(SDL_Joystick * joystick)
 
     if (device->removed) {      /* device was unplugged; ignore it. */
         if (joystick->hwdata) {
-            joystick->force_recentering = SDL_TRUE;
             joystick->hwdata = NULL;
         }
         return;