Exclude xpos in ru models.

scripts/train_iwpt21.py

@@ -136,7 +136,7 @@ def run(_):
         """
 
         # Datasets without XPOS
-        if lang in {"fr"}:
+        if lang in {"fr", "ru"}:
             command = command + " --targets deprel,head,upostag,lemma,feats"
 
         utils.execute_command("".join(command.splitlines()))