fix: removove optional refresh token from verify two fa

proto/sso/twofa.proto

@@ -24,6 +24,7 @@ message Verify2FaRequest {
 
 message Verify2FaResponse {
   string access_token = 1;
+  string refresh_token = 2;
   string status = 3;
   string message = 4;
   repeated string reserve_codes = 5;