rcu-tasks: Remove redundant #ifdef CONFIG_TASKS_RCU

The kernel/rcu/tasks.h file has a #endif immediately followed by an

Signed-off-by: Paul E. McKenney <paulmck@kernel.org>

Author: paulmckrcu

kernel/rcu/tasks.h

@@ -146,9 +146,7 @@ static struct rcu_tasks rt_name =							\
 #ifdef CONFIG_TASKS_RCU
 /* Track exiting tasks in order to allow them to be waited for. */
 DEFINE_STATIC_SRCU(tasks_rcu_exit_srcu);
-#endif
 
-#ifdef CONFIG_TASKS_RCU
 /* Report delay in synchronize_srcu() completion in rcu_tasks_postscan(). */
 static void tasks_rcu_exit_srcu_stall(struct timer_list *unused);
 static DEFINE_TIMER(tasks_rcu_exit_srcu_stall_timer, tasks_rcu_exit_srcu_stall);