[Settings] Remove WFC enabled state condition of querying Telecomm.

- Query WFC enabled state by querying Telecomm may have problem.
 - Only use ImsMmTelManager API to check WFC enabled state.

Bug: 278108377
Test: atest passed
Change-Id: I6d1122bcf66ed5cd274e99b7b4f13558ab922162

src/com/android/settings/network/telephony/WifiCallingPreferenceController.java

@@ -71,7 +71,7 @@ public class WifiCallingPreferenceController extends TelephonyBasePreferenceCont
     @Override
     public int getAvailabilityStatus(int subId) {
         return SubscriptionManager.isValidSubscriptionId(subId)
-                && MobileNetworkUtils.isWifiCallingEnabled(mContext, subId, null, null)
+                && MobileNetworkUtils.isWifiCallingEnabled(mContext, subId, null)
                 ? AVAILABLE
                 : UNSUPPORTED_ON_DEVICE;
     }