Revert "Add jwt headers in JsonClient if exist"

This reverts commit a079047.

src/utils_flask_sqla/tests/utils.py

@@ -24,11 +24,5 @@ def open(self, *args, **kwargs):
                     }
                 )
             )
-        # the set_logged_user_jwt add a jwt attribute to client with the current logged user
-        jwt = getattr(self, "jwt", None)
-        if jwt:
-            jwt_headers = Headers({"Authorization": f"Bearer {jwt}"})
-            headers.extend(jwt_headers)
-
         kwargs["headers"] = headers
         return super().open(*args, **kwargs)