Delete torch._functorch.config.use_dynamic_shapes (#96102)
As requested in
https://github.com/pytorch/pytorch/pull/95975#discussion_r1124837162
Signed-off-by: Edward Z. Yang <ezyang@meta.com>
Pull Request resolved: https://github.com/pytorch/pytorch/pull/96102
Approved by: https://github.com/Skylion007
