read_netrc: read file directly
read_netrc: read file directly

...instead of working around the now-dropped restriction of read to the
current repository.

Change-Id: I2de6189144519459fcddc79e6b15592d0760d713
PiperOrigin-RevId: 258362084

bazelbuild/bazel,aehlig/bazel,bazelbuild/bazel,ulfjack/bazel,aehlig/bazel,cushon/bazel,ulfjack/bazel,twitter-forks/bazel,akira-baruah/bazel,werkt/bazel,werkt/bazel,davidzchen/bazel,twitter-forks/bazel,cushon/bazel,ulfjack/bazel,dslomov/bazel-windows,bazelbuild/bazel,dslomov/bazel,aehlig/bazel,katre/bazel,aehlig/bazel,meteorcloudy/bazel,katre/bazel,safarmer/bazel,werkt/bazel,katre/bazel,perezd/bazel,meteorcloudy/bazel,safarmer/bazel,bazelbuild/bazel,katre/bazel,dslomov/bazel,twitter-forks/bazel,akira-baruah/bazel,cushon/bazel,ButterflyNetwork/bazel,ButterflyNetwork/bazel,davidzchen/bazel,dslomov/bazel-windows,akira-baruah/bazel,davidzchen/bazel,ButterflyNetwork/bazel,meteorcloudy/bazel,aehlig/bazel,twitter-forks/bazel,dslomov/bazel,davidzchen/bazel,twitter-forks/bazel,twitter-forks/bazel,dslomov/bazel-windows,werkt/bazel,ulfjack/bazel,dslomov/bazel-windows,dslomov/bazel,davidzchen/bazel,ButterflyNetwork/bazel,akira-baruah/bazel,katre/bazel,bazelbuild/bazel,aehlig/bazel,ulfjack/bazel,perezd/bazel,safarmer/bazel,meteorcloudy/bazel,werkt/bazel,cushon/bazel,dslomov/bazel-windows,aehlig/bazel,dslomov/bazel,perezd/bazel,perezd/bazel,twitter-forks/bazel,ulfjack/bazel,akira-baruah/bazel,meteorcloudy/bazel,cushon/bazel,ButterflyNetwork/bazel,katre/bazel,meteorcloudy/bazel,perezd/bazel,bazelbuild/bazel,davidzchen/bazel,dslomov/bazel-windows,akira-baruah/bazel,safarmer/bazel,dslomov/bazel,davidzchen/bazel,werkt/bazel,safarmer/bazel,meteorcloudy/bazel,ButterflyNetwork/bazel,safarmer/bazel,ulfjack/bazel,perezd/bazel,cushon/bazel,dslomov/bazel,perezd/bazel