Removes unused property use_egl from internal structure gl_config
diff --git a/src/video/SDL_sysvideo.h b/src/video/SDL_sysvideo.h
index bdb2a31..beedc74 100644
--- a/src/video/SDL_sysvideo.h
+++ b/src/video/SDL_sysvideo.h
@@ -292,7 +292,6 @@ struct SDL_VideoDevice
int minor_version;
int flags;
int profile_mask;
- int use_egl;
int share_with_current_context;
int retained_backing;
int driver_loaded;