Remove feature flags of WiFi Sharing feature

Bug: 120744414
Test: Manual
Change-Id: I655ebb8d149d0976063845478bc667cc4d72d96d

src/com/android/settings/wifi/dpp/WifiDppUtils.java

@@ -74,14 +74,6 @@ public class WifiDppUtils {
      * indicate test mode UI should be shown. Test UI does not make API calls. Value is a boolean.*/
     public static final String EXTRA_TEST = "test";
 
-    /**
-     * Returns whether the user can share the network represented by this preference with QR code.
-     */
-    public static boolean isSharingNetworkEnabled(Context context) {
-        return FeatureFlagUtils.isEnabled(context,
-                com.android.settings.core.FeatureFlags.WIFI_SHARING);
-    }
-
     /**
      * Returns whether the device support WiFi DPP.
      */