Change for the ner fine-tuning

[Vitvicky]

For the fine-tuning operation of the NER task, which lines should I change for the ner.json file?

[ibeltagy]

You will need to use the ner_finetune.json config. This was recently merged with master
https://github.com/allenai/scibert/blob/master/allennlp_config/ner_finetune.json