Hide search box if it is called in initial setup wizard

- Search box is hidden if user set intent extra isSetupFlow true

Fixes: 135717823
Test: search box is hidden in the following command
adb shell am start -a android.settings.SETTINGS --ez isSetupFlow true

Change-Id: Ia3d955c9390d6b0eef9391b9b35b6a483eb63d26

src/com/android/settings/Utils.java

@@ -73,7 +73,6 @@ import android.provider.ContactsContract.Contacts;
 import android.provider.ContactsContract.Data;
 import android.provider.ContactsContract.Profile;
 import android.provider.ContactsContract.RawContacts;
-import android.provider.Settings;
 import android.telephony.SubscriptionManager;
 import android.telephony.TelephonyManager;
 import android.text.Spannable;
@@ -729,11 +728,6 @@ public final class Utils extends com.android.settingslib.Utils {
         }
     }
 
-    public static boolean isDeviceProvisioned(Context context) {
-        return Settings.Global.getInt(context.getContentResolver(),
-                Settings.Global.DEVICE_PROVISIONED, 0) != 0;
-    }
-
     public static boolean startQuietModeDialogIfNecessary(Context context, UserManager um,
             int userId) {
         if (um.isQuietModeEnabled(UserHandle.of(userId))) {