Re: [PATCH v2 3/5] Makefile: drop unneeded indirection for GIT-VERSION-GEN outputs

> Some of the callsites of GIT-VERSION-GEN generate the target file with a
> "+" suffix first and then move the file into place when the new contents
> are different compared to the old contents. This allows us to avoid a
> needless rebuild by not updating timestamps of the target file when its
> contents will remain unchanged anyway.
> 
> In fact though, this exact logic is already handled in GIT-VERSION-GEN,
> so doing this manually is pointless. This is a leftover from an earlier
> version of 4838deab65 (Makefile: refactor GIT-VERSION-GEN to be
> reusable, 2024-12-06), where the script didn't handle that logic for us.
> 
> Drop the needless indirection.