Remove Team Preview from Monotype Random Battle
Remove Team Preview from Monotype Random Battle

It was kept so it was clear what type was each team on double-type leads, but community prefers no team preview.
Also remove useless rulesets.
Keep same type clause for flavour.

Breakfastqueen/advanced,Breakfastqueen/advanced,SerperiorBae/Pokemon-Showdown-1,hayleysworld/harmonia,SerperiorBae/Pokemon-Showdown-1,MasterFloat/Pokemon-Showdown,SerperiorBae/Pokemon-Showdown-1,Breakfastqueen/advanced,hayleysworld/harmonia,MasterFloat/Pokemon-Showdown