PM: sleep: Remove "select SRCU"

Now that the SRCU Kconfig option is unconditionally selected, there is
no longer any point in selecting it.  Therefore, remove the "select SRCU"
Kconfig statements.

Signed-off-by: Paul E. McKenney <[email protected]>
Reviewed-by: John Ogness <[email protected]>
Signed-off-by: Rafael J. Wysocki <[email protected]>

Author: paulmckrcu

kernel/power/Kconfig

@@ -118,7 +118,6 @@ config PM_SLEEP
 	def_bool y
 	depends on SUSPEND || HIBERNATE_CALLBACKS
 	select PM
-	select SRCU
 
 config PM_SLEEP_SMP
 	def_bool y