yelp training data down

[aojiu]

cannot access yelp training data in google drive

[LFD-byte]

cannot access yelp training data in google drive

you can download this file from https://www.kaggle.com/hhalalwi/yelp-light?select=raw_train.csv.

[rafisudrajat]

I think it is better if someone can make a PR to fix the documentation