Remove hacky double registration of to_here op in reg_distributed_ops (#39602)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/39602
This was added as a part of
https://github.com/pytorch/pytorch/pull/38590 but we can use default arguments
here. We use fmt:;format to bind the default value to the rpc timeout at
runtime.
ghstack-source-id: 105983645
Test Plan: Ci
Differential Revision: D21912719
fbshipit-source-id: 7525c1322a95126f529301be142248af48565b82
