Revert "[quant][pt2e] Annotate GRU module (#103358)"
This reverts commit 23892d8ee44c33abafe9b96ccb788033ffbc63ad.
Reverted https://github.com/pytorch/pytorch/pull/103358 on behalf of https://github.com/facebook-github-bot due to Diff reverted internally ([comment](https://github.com/pytorch/pytorch/pull/103358#issuecomment-1588729657))