Remove swimlanes licensed feateru flag

config/initializers/0_inject_feature_flags.rb

@@ -4,42 +4,3 @@
 Feature.register_feature_groups
 Feature.register_definitions
 Feature.register_hot_reloader unless Rails.configuration.cache_classes
-
-# This disallows usage of licensed feature names with the same name
-# as feature flags. This naming collision creates confusion and it was
-# decided to be removed in favor of explicit check.
-# https://gitlab.com/gitlab-org/gitlab/-/issues/259611
-if Gitlab.ee? && Gitlab.dev_or_test_env?
-  # These are the names of feature flags that do violate the constraint of
-  # being unique to licensed names. These feature flags should be reworked to
-  # be "development" with explicit check
-  IGNORED_FEATURE_FLAGS = %i[
-    swimlanes
-  ].to_set
-
-  # First, we validate a list of overrides to ensure that these overrides
-  # are removed if feature flag is gone
-  missing_feature_flags = IGNORED_FEATURE_FLAGS.reject do |feature_flag|
-    Feature::Definition.definitions[feature_flag]
-  end
-
-  if missing_feature_flags.any?
-    raise "The following feature flags were added as an override for discovering licensed features. " \
-          "Since these feature flags seems to be gone, ensure to remove them from \`IGNORED_FEATURE_FLAGS\` " \
-          "in \`#{__FILE__}'`: #{missing_feature_flags.join(", ")}"
-  end
-
-  # Second, we validate that there's no feature flag under the name as licensed feature
-  # flag, to ensure that the name used, is unique
-  licensed_features = License::PLANS_BY_FEATURE.keys.select do |licensed_feature_name|
-    IGNORED_FEATURE_FLAGS.exclude?(licensed_feature_name) &&
-      Feature::Definition.definitions[licensed_feature_name]
-  end
-
-  if licensed_features.any?
-    raise "The following feature flags do use a licensed feature. " \
-          "To avoid the confusion between their usage it is disallowed to use feature flag " \
-          "with exact the same name as licensed feature name. Use a different name to create " \
-          "a distinction: #{licensed_features.join(", ")}"
-  end
-end

ee/config/feature_flags/licensed/swimlanes.yml

----
-name: swimlanes
-introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/41543
-rollout_issue_url: https://gitlab.com/gitlab-org/gitlab/-/issues/273362
-milestone: '13.5'
-type: licensed
-group: group::product planning
-default_enabled: true