Donot disable Wi-Fi Calling when getting "registration error" intent.

Test: Manual
Bug: 69446679
Merged-In: I95a108f4e6090b61e4584a64bed58c024e120fd0
Change-Id: I92869d091f3ad1ece5d3c33457d7601d07797639

src/com/android/settings/wifi/calling/WifiCallingSettingsForSub.java

@@ -203,9 +203,6 @@ public class WifiCallingSettingsForSub extends SettingsPreferenceFragment
                 // not show notification, we are changing result code here.
                 setResultCode(Activity.RESULT_CANCELED);
 
-                // UX requirement is to disable WFC in case of "permanent" registration failures.
-                mSwitch.setChecked(false);
-
                 showAlert(intent);
             }
         }