cpufreq: remove unnecessary unlikely()

WARN_ON() already contains an unlikely(), so it's not necessary to wrap it
into another.

Signed-off-by: Igor Stoppa <igor.stoppa@huawei.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

drivers/cpufreq/cpufreq.c

@@ -403,7 +403,7 @@ EXPORT_SYMBOL_GPL(cpufreq_freq_transition_begin);
 void cpufreq_freq_transition_end(struct cpufreq_policy *policy,
 		struct cpufreq_freqs *freqs, int transition_failed)
 {
-	if (unlikely(WARN_ON(!policy->transition_ongoing)))
+	if (WARN_ON(!policy->transition_ongoing))
 		return;
 
 	cpufreq_notify_post_transition(policy, freqs, transition_failed);