tracing: Remove boot-time call_srcu() checks from rcu_free_old_probes()

SRCU now supports early boot call_srcu().  Therefore, remove the checks
that avoid such use from rcu_free_old_probes().

Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
1 file changed