Remove other references to the internal code

.rubocop_todo.yml

@@ -354,8 +354,6 @@ Performance/Sum:
     - 'ee/spec/lib/gitlab/elastic/bulk_indexer_spec.rb'
     - 'lib/api/entities/issuable_time_stats.rb'
     - 'lib/container_registry/tag.rb'
-    - 'lib/declarative_policy/rule.rb'
-    - 'lib/declarative_policy/runner.rb'
     - 'lib/gitlab/ci/reports/test_suite_comparer.rb'
     - 'lib/gitlab/diff/file.rb'
     - 'lib/gitlab/sherlock/transaction.rb'

doc/development/policies.md

@@ -68,7 +68,7 @@ Within the rule DSL, you can use:
 - `can?(:other_ability)` delegates to the rules that apply to `:other_ability`. Note that this is distinct from the instance method `can?`, which can check dynamically - this only configures a delegation to another ability.
 
 `~`, `&` and `|` operators are overridden methods in
-[`DeclarativePolicy::Rule::Base`](https://gitlab.com/gitlab-org/gitlab/-/blob/master/lib/declarative_policy/rule.rb).
+[`DeclarativePolicy::Rule::Base`](https://gitlab.com/gitlab-org/declarative-policy/-/blob/main/lib/declarative_policy/rule.rb).
 
 Do not use boolean operators such as `&&` and `||` within the rule DSL,
 as conditions within rule blocks are objects, not booleans. The same