style(tokenizer): remove unused variables

src/dalle_mini/model/tokenizer.py

@@ -1,11 +1,8 @@
 """ DalleBart tokenizer """
 from transformers import BartTokenizerFast
-from transformers.utils import logging
 
 from .utils import PretrainedFromWandbMixin
 
-logger = logging.get_logger(__name__)
-
 
 class DalleBartTokenizer(PretrainedFromWandbMixin, BartTokenizerFast):
     pass