Remove barrels from Cavalry mode

[Drunken Monkey]

I beat wave 15 for about 10 players on my own and would've got quite some enemies from wave 16 if I had played seriously that round.
Well, probably I connect cavalry mode with a certain periode of time in the nord invasion histroy when everything was about improving your own skills and having fun and not farming bosses...

Remove barrel but without tomes we wont get very far.

I'm fine with tomes since you still have to kill those bots yourself using tomes, don't you? You just have more time.