staging: r8188eu: daemonize is not defined

Remove dead code that depends on daemonize.

Acked-by: Michael Straube <straube.linux@gmail.com>
Acked-by: Fabio M. De Francesco <fmdefrancesco@gmail.com>
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Link: https://lore.kernel.org/r/20211016181343.3686-3-martin@kaiser.cx
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/r8188eu/include/osdep_service.h

@@ -162,9 +162,6 @@ static inline unsigned char _cancel_timer_ex(struct timer_list *ptimer)
 
 static __inline void thread_enter(char *name)
 {
-#ifdef daemonize
-	daemonize("%s", name);
-#endif
 	allow_signal(SIGTERM);
 }