watchdog: remove unneeded inclusion of <uapi/linux/sched/types.h>

There has been no reference to "struct sched_param" since
commit 94beddac ("sched,watchdog: Convert to sched_set_fifo()"), so
there's no need to include <uapi/linux/sched/types.h> any more, delete
it.
Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20200827062154.1847-1-thunder.leizhen@huawei.comSigned-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>

drivers/watchdog/watchdog_dev.c

@@ -43,8 +43,6 @@
 #include <linux/watchdog.h>	/* For watchdog specific items */
 #include <linux/uaccess.h>	/* For copy_to_user/put_user/... */
 
-#include <uapi/linux/sched/types.h>	/* For struct sched_param */
-
 #include "watchdog_core.h"
 #include "watchdog_pretimeout.h"