SDL: Remove an unused function prototype

From aeadbdd788da18717076f39322de59fc420c006e Mon Sep 17 00:00:00 2001
From: Frank Praznik <[EMAIL REDACTED]>
Date: Wed, 20 Apr 2022 09:00:00 -0400
Subject: [PATCH] Remove an unused function prototype

---
 src/video/wayland/SDL_waylandwindow.h | 1 -
 1 file changed, 1 deletion(-)

diff --git a/src/video/wayland/SDL_waylandwindow.h b/src/video/wayland/SDL_waylandwindow.h
index 9ce68791927..b1ba98cf961 100644
--- a/src/video/wayland/SDL_waylandwindow.h
+++ b/src/video/wayland/SDL_waylandwindow.h
@@ -128,7 +128,6 @@ extern int Wayland_SetWindowModalFor(_THIS, SDL_Window * modal_window, SDL_Windo
 extern void Wayland_SetWindowTitle(_THIS, SDL_Window * window);
 extern void Wayland_DestroyWindow(_THIS, SDL_Window *window);
 extern void Wayland_SuspendScreenSaver(_THIS);
-extern int Wayland_SetDisplayMode(_THIS, SDL_VideoDisplay * display, SDL_DisplayMode * mode);
 
 extern SDL_bool
 Wayland_GetWindowWMInfo(_THIS, SDL_Window * window, SDL_SysWMinfo * info);