CL 183264 accidentally introduced a circular modular reference from
golang.org/x/tools -> golang.org/x/tools/gopls.
Fixed by running go mod tidy on all modules under the x/tools repo for
good measure.
Change-Id: Ib09b111315cb107bc4e34015b74266d2522f33fd
Reviewed-on: https://go-review.googlesource.com/c/tools/+/184018
Reviewed-by: Daniel Martí <mvdan@mvdan.cc>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
Reviewed-by: Bryan C. Mills <bcmills@google.com>
Run-TryBot: Daniel Martí <mvdan@mvdan.cc>
TryBot-Result: Gobot Gobot <gobot@golang.org>