fix output_token_type in glue

pytorch_transformers/data/processors/glue.py

@@ -43,7 +43,6 @@ def glue_convert_examples_to_features(examples, label_list, max_seq_length,
             example.text_a,
             example.text_b,
             add_special_tokens=True,
-            output_token_type=True,
             max_length=max_seq_length,
             truncate_first_sequence=True  # We're truncating the first sequence as a priority
         )