SDL: Added support for the Backbone One guide button

SDL Commits
1 
From a3c1ca1fa16f8ba021d7764717afb3f55bd074a2 Mon Sep 17 00:00:00 2001
From: Sam Lantinga <[EMAIL REDACTED]>
Date: Fri, 6 May 2022 09:07:36 -0700
Subject: [PATCH] Added support for the Backbone One guide button

The guide button is activated on a long press (> 400ms)
---
 src/joystick/iphoneos/SDL_mfijoystick.m | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/src/joystick/iphoneos/SDL_mfijoystick.m b/src/joystick/iphoneos/SDL_mfijoystick.m
index f7f0d072699..c55cf78873e 100644
--- a/src/joystick/iphoneos/SDL_mfijoystick.m
+++ b/src/joystick/iphoneos/SDL_mfijoystick.m
@@ -335,11 +335,7 @@ @interface GCMicroGamepad (SDL)
         }
 
         if (SDL_strcmp(name, "Backbone One") == 0) {
-            /* The Backbone app uses the guide and share buttons */
-            if ((device->button_mask & (1 << SDL_CONTROLLER_BUTTON_GUIDE)) != 0) {
-                device->button_mask &= ~(1 << SDL_CONTROLLER_BUTTON_GUIDE);
-                --nbuttons;
-            }
+            /* The Backbone app uses share button */
             if ((device->button_mask & (1 << SDL_CONTROLLER_BUTTON_MISC1)) != 0) {
                 device->button_mask &= ~(1 << SDL_CONTROLLER_BUTTON_MISC1);
                 --nbuttons;