CL 627603 added a clear error that FIPS+ASAN doesn't work, and
disabled a test in check_test.go. The :gofips140 test variants
in cmd/dist need to be disabled as well.
Remove a return after testing.T.Skipf since it's unreachable.
For #70321.
Fixes #70496.
Change-Id: Ia53830db1260a817aff1a82cbd91b725e0791437
Cq-Include-Trybots: luci.golang.try:gotip-linux-amd64-asan-clang15
Reviewed-on: https://go-review.googlesource.com/c/go/+/631095 Reviewed-by: Dmitri Shuralyov <dmitshur@google.com> Reviewed-by: Cherry Mui <cherryyz@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Auto-Submit: Dmitri Shuralyov <dmitshur@golang.org>