cpufreq: intel_pstate: Remove unneeded variable

It should have been removed with commit d1b6848590af
("cpufreq / intel_pstate: Optimize intel_pstate_set_policy")

Signed-off-by: Gabriele Mazzotta <gabriele.mzt@gmail.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c
index e396ad3..0668b38 100644
--- a/drivers/cpufreq/intel_pstate.c
+++ b/drivers/cpufreq/intel_pstate.c
@@ -708,10 +708,6 @@
 
 static int intel_pstate_set_policy(struct cpufreq_policy *policy)
 {
-	struct cpudata *cpu;
-
-	cpu = all_cpu_data[policy->cpu];
-
 	if (!policy->cpuinfo.max_freq)
 		return -ENODEV;