cmd/cue/cmd: remove stale reference to ::
The code still accepts '::' for backwards compatibility,
but at least it should no longer be a documented feature.
Fixes #1386
Signed-off-by: Marcel van Lohuizen <mpvl@golang.org>
Change-Id: Ice06d4c1b4414dfa96eac118c8842b0965f67163
Signed-off-by: Marcel van Lohuizen <mpvl@golang.org>
Reviewed-on: https://review.gerrithub.io/c/cue-lang/cue/+/529581
Unity-Result: CUEcueckoo <cueckoo@cuelang.org>
TryBot-Result: CUEcueckoo <cueckoo@cuelang.org>
Reviewed-by: Marcel van Lohuizen <mpvl@gmail.com>
authored by