add version text

lib/data/provider/auth_fb.dart

@@ -88,7 +88,6 @@ class AuthFb {
   }
 
   Future<fcs.AuthResult> signInWithPhoneNumber(String smsCode) async {
-    User user;
     try {
       final AuthCredential credential = PhoneAuthProvider.getCredential(
         verificationId: _verificationId,
@@ -102,7 +101,6 @@ class AuthFb {
     } on Exception catch (e) {
       return Future.error(SigninException(e.toString()));
     }
-    if (user == null) Future.error(SigninException("No current user!"));
     return Future.value(fcs.AuthResult(authStatus: AuthStatus.AUTH_VERIFIED));
   }