Merge branch 'pr/2819'
- pr/2819: (maint) Remove biff setting and related code (PUP-2858) Remove evaluator setting (PUP-2858) Remove duplicated testing (evaluator = 'current') (PUP-2858) Refactor binder to use ne evaluator (PUP-2858) Remove the 3_1 checker and its factory (PUP-2858) Refactor EvaluatingParser::Transitional to EvaluatingParser (PUP-2858) Remove use of Puppet[:evaluator] from the code base (PUP-2858) Deprecate the use of Puppet[:environment] == current (PUP-2858) Remove e_parser adapter support
Conflicts:
spec/integration/node/environment_spec.rb
Closes #2819