cmd/go/internal/modfetch: fix comment that mentions no-longer returned error
In
c9211577eb77df9c51f0565f1da7d20ff91d59df @bcmills removed the returned error from
`Lookup`. However, the function docstring still mentions that this can return an error.
So this corrects the docs.
Change-Id: Idca74a200dfdb024e3d7ff6c439c70632cfec11a
GitHub-Last-Rev:
62eaacf70c3886d8aba25b79212c61485a89fde0
GitHub-Pull-Request: golang/go#45822
Reviewed-on: https://go-review.googlesource.com/c/go/+/314572
Reviewed-by: Bryan C. Mills <bcmills@google.com>
Reviewed-by: Michael Matloob <matloob@golang.org>
Run-TryBot: Bryan C. Mills <bcmills@google.com>
TryBot-Result: Go Bot <gobot@golang.org>