internal/core/adt: remove some unnecessary code
linter no longer complaining
Signed-off-by: Marcel van Lohuizen <mpvl@gmail.com>
Change-Id: Id390bf623f03e71180c965109de0864895c49f09
Reviewed-on: https://review.gerrithub.io/c/cue-lang/cue/+/1211751
TryBot-Result: CUEcueckoo <cueckoo@cuelang.org>
Unity-Result: CUE porcuepine <cue.porcuepine@gmail.com>
Reviewed-by: Daniel Martí <mvdan@mvdan.cc>