[moe] remove DPGradScaler that over-scales expert grads under moe_dp - #6467

[moe] remove DPGradScaler that over-scales expert grads under moe_dp#6467

yuxuan-lou merged 2 commits into

mainhpcaitech/ColossalAI:mainfrom

fix/moe-dp-grad-scalehpcaitech/ColossalAI:fix/moe-dp-grad-scaleCopy head branch name to clipboard