greybus: uart-gb.c: don't include module.h

No need to specifically include the greybus module.h here, greybus.h
already does so and we will be renaming it soon.
Reviewed-by: Alex Elder <elder@linaro.org>
Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>

drivers/staging/greybus/uart-gb.c

@@ -28,7 +28,6 @@
 #include <linux/kdev_t.h>
 
 #include "greybus.h"
-#include "module.h"
 
 #define GB_NUM_MINORS	255	/* 255 is enough for anyone... */
 #define GB_NAME		"ttyGB"