Re: [PATCH 4/4] built-in rebase: call `git am` directly

"Johannes Schindelin via GitGitGadget" [off-list ref]
writes:

While the scripted `git rebase` still has to rely on the
`git-rebase--am.sh` script to implement the glue between the `rebase`
and the `am` commands, we can go a more direct route in the built-in
rebase and avoid using a shell script altogether.

 ...

 builtin/rebase.c | 183 +++++++++++++++++++++++++++++++++++++++++++++++

Now at some point as a follow-up change, we'd need to remove the
git-rebase--am.sh that is no longer used, together with the
reference to it in the Makefile, no?