Adapt Existing Trainers

[jmsalvador2395]

Overview

With each new trainer added to this library, the TrainerBase class changes, requiring re-adaption of old trainers to fit the new API.
This issue will keep track of the trainers that are working and those that need to be updated

TODO

• RL Extractive
• GloVe
• Word2Vec
• TransformerAutoLM
• MNIST_MLP