Remove unused Intent filter values.

Change-Id: I902cdbbff9238b2ac975441ef6ecb3c6d5c7a56f
diff --git a/wifi/java/android/net/wifi/WifiStateTracker.java b/wifi/java/android/net/wifi/WifiStateTracker.java
index 5a20736..9cc44b5 100644
--- a/wifi/java/android/net/wifi/WifiStateTracker.java
+++ b/wifi/java/android/net/wifi/WifiStateTracker.java
@@ -83,10 +83,8 @@
 
         mWifiManager = (WifiManager) mContext.getSystemService(Context.WIFI_SERVICE);
         IntentFilter filter = new IntentFilter();
-        filter.addAction(WifiManager.WIFI_STATE_CHANGED_ACTION);
         filter.addAction(WifiManager.NETWORK_STATE_CHANGED_ACTION);
         filter.addAction(WifiManager.CONFIG_CHANGED_ACTION);
-        filter.addAction(WifiManager.SCAN_RESULTS_AVAILABLE_ACTION);
 
         mWifiStateReceiver = new WifiStateReceiver();
         mContext.registerReceiver(mWifiStateReceiver, filter);