[Mainline] Remove unused UiccController object

Bug: 146842199
Test: make
Change-Id: I35f86ee24c0db2599924fb470537b860c9d08390
diff --git a/src/com/android/settings/network/ApnSettings.java b/src/com/android/settings/network/ApnSettings.java
index 137abadf..94d7bca 100755
--- a/src/com/android/settings/network/ApnSettings.java
+++ b/src/com/android/settings/network/ApnSettings.java
@@ -54,7 +54,6 @@
 
 import com.android.internal.telephony.PhoneConstants;
 import com.android.internal.telephony.TelephonyIntents;
-import com.android.internal.telephony.uicc.UiccController;
 import com.android.settings.R;
 import com.android.settings.RestrictedSettingsFragment;
 import com.android.settingslib.RestrictedLockUtils.EnforcedAdmin;
@@ -114,7 +113,6 @@
     private SubscriptionInfo mSubscriptionInfo;
     private int mSubId;
     private int mPhoneId;
-    private UiccController mUiccController;
     private String mMvnoType;
     private String mMvnoMatchData;
 
@@ -193,7 +191,6 @@
         setIfOnlyAvailableForAdmins(true);
 
         mSubscriptionInfo = getSubscriptionInfo(mSubId);
-        mUiccController = UiccController.getInstance();
 
         CarrierConfigManager configManager = (CarrierConfigManager)
                 getSystemService(Context.CARRIER_CONFIG_SERVICE);