SH, cpuidle: delete use of NOP CPUIDLE_FLAGS_SHALLOW

set but not checked.
Signed-off-by: Len Brown <len.brown@intel.com>

arch/sh/kernel/cpu/shmobile/cpuidle.c

@@ -81,7 +81,6 @@ void sh_mobile_setup_cpuidle(void)
 	state->target_residency = 1 * 2;
 	state->power_usage = 3;
 	state->flags = 0;
-	state->flags |= CPUIDLE_FLAG_SHALLOW;
 	state->flags |= CPUIDLE_FLAG_TIME_VALID;
 	state->enter = cpuidle_sleep_enter;