Fix refresh grant on access token helper after fedservice

Signed-off-by: Kostis Triantafyllakis <[email protected]>

Author: ctriant

src/idpyoidc/server/oidc/token_helper/access_token.py

@@ -119,7 +119,6 @@ def process_request(self, req: Union[Message, dict], **kwargs):
         if (
                 issue_refresh
                 and "refresh_token" in _supports_minting
-                and "refresh_token" in grant_types_supported
         ):
             try:
                 refresh_token = self._mint_token(