Replace wrapper with direct check in validator

src/idpyoidc/server/oauth2/authorization.py

@@ -285,10 +285,7 @@ def check_unknown_scopes_policy(request_info, client_id, context):
 
 def validate_resource_indicators_policy(request, context, **kwargs):
     if "resource" not in request:
-        return oauth2.AuthorizationErrorResponse(
-            error="invalid_target",
-            error_description="Missing resource parameter",
-        )
+        return request
 
     resource_servers_per_client = kwargs["resource_servers_per_client"]
     client_id = request["client_id"]
@@ -332,11 +329,6 @@ def validate_resource_indicators_policy(request, context, **kwargs):
     request["scope"] = scopes
     return request
 
-def optional_validate_resource_indicators_policy(request, context, **kwargs):
-    if "resource" not in request:
-        return request
-
-    return validate_resource_indicators_policy(request, context, **kwargs)
 
 class Authorization(Endpoint):
     request_cls = oauth2.AuthorizationRequest