That move followed the striker's alleged headbutt on teammate Jos√© Fonte in training.
"I think so. We've got such a tight group of players and everyone gets along really well," said Cork.
"I mean, Dani was a really good lad as well. I am not really too sure what happened with the whole situation - I think that's between some other lads in the club.
"We've got such a good group here and I don't think anyone wanted to upset the bond we had.
"It was just one of those things. It wasn't anyone's decision apart from the manager or someone higher. They made their decision and he has made his move."