Remove SDL_VideoInit / Quit. Prefer SDL_SubSytemInit / Quit (#6913)

src/SDL.c

@@ -38,6 +38,7 @@
 #include "SDL_assert_c.h"
 #include "SDL_log_c.h"
 #include "audio/SDL_audio_c.h"
+#include "video/SDL_video_c.h"
 #include "events/SDL_events_c.h"
 #include "haptic/SDL_haptic_c.h"
 #include "joystick/SDL_joystick_c.h"