Remove autograd-enabled collective APIs from distributed docs (#69011)
Summary:
These APIs are not yet officially released and are still under discussion. Hence, this commit removes those APIs from docs and will add them back when ready.
cc pietern mrshenli pritamdamania87 zhaojuanmao satgera rohan-varma gqchen aazzolini osalpekar jiayisuse SciPioneer H-Huang
Pull Request resolved: https://github.com/pytorch/pytorch/pull/69011
Reviewed By: fduwjj
Differential Revision: D32703124
Pulled By: mrshenli
fbshipit-source-id: ea049fc7ab6b0015d38cc40c5b5daf47803b7ea0
