Auto merge of #34480 - jseyfried:remove_entry_points, r=nrc

Remove redundant `CompileController` entry points

Remove the `after_expand` and `after_write_deps` `CompileController` entry points.

The only things that separate these entry points from `after_hir_lowering` are dep-info generation and HIR map construction, neither of which is computationally intensive or has the potential to error.

r? @nrc