Removes from the of the parent of TFRobertaClassificationHead (#4884)

Co-authored-by: Hamza Harkous <harkous@google.com>

src/transformers/modeling_tf_roberta.py

@@ -321,7 +321,7 @@ class TFRobertaClassificationHead(tf.keras.layers.Layer):
     """Head for sentence-level classification tasks."""
 
     def __init__(self, config, **kwargs):
-        super().__init__(config, **kwargs)
+        super().__init__(**kwargs)
         self.dense = tf.keras.layers.Dense(
             config.hidden_size,
             kernel_initializer=get_initializer(config.initializer_range),