Revert "Add more logging for wakelock stats inquiries"

This reverts commit 757b01b94b.

Reason for revert: b:173539101 is root caused and AIDL pipeline is proved to transmit wakelock stats flawlessly.

Change-Id: I80c39d55b7d6464a4c8f894406c2393ac554ad66

core/java/com/android/internal/os/KernelWakelockReader.java

@@ -184,7 +184,6 @@ public class KernelWakelockReader {
 
         try {
             wlStats = mSuspendControlService.getWakeLockStats();
-            Slog.i(TAG, "Number of wakelock obtained from SystemSuspend: " + wlStats.length);
             updateWakelockStats(wlStats, staleStats);
         } catch (RemoteException e) {
             Slog.wtf(TAG, "Failed to obtain wakelock stats from ISuspendControlService", e);