atime_versions_exprs installs different git versions
of a package, and this function removes them. This can be useful if
you have changed compilers, which may have different performance
characteristics, so you can then re-compile all package versions using
the same compiler.
atime_versions_remove(Package)integer exit status code from unlink, non-zero if removal failed.
Name of package without SHA.
Toby Dylan Hocking
The library searched is the first on .libPaths().