use types in the IR instead of vmap (#43742)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/43742
We can remove all prim::profiles, update the values to their specialized profiled types, and then later guard the input graphs based on the input types of the fusion group. After that we remove specialized tensor types from the graph. This gets rid of having to update the vmap and removes all of the profile nodes in fusing.
Test Plan: Imported from OSS
Reviewed By: Krovatkin
Differential Revision: D23385206
Pulled By: eellison
fbshipit-source-id: 2c84bd1d1c38df0d7585e523c30f7bd28f399d7c
