Remove redudant check

Author: Fancy2209

src/video/ogc/SDL_ogcvideo.c

@@ -94,7 +94,7 @@ static void init_display_mode(SDL_DisplayMode *mode, const GXRModeObj *vmode, in
     /* Use a fake 32-bpp desktop mode */
     SDL_zero(*mode);
     mode->format = SDL_PIXELFORMAT_ARGB8888;
-    width == NULL ? mode->w = vmode->fbWidth : mode->w = width;
+    width == mode->w = width;
     mode->h = vmode->efbHeight;
     switch (format) {
     case VI_DEBUG: