Cleanup secret variables refactoring in variables builder

Changelog: other

config/feature_flags/development/ci_variables_builder_memoize_secret_variables.yml

----
-name: ci_variables_builder_memoize_secret_variables
-introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/79850
-rollout_issue_url: https://gitlab.com/gitlab-org/gitlab/-/issues/351995
-milestone: '14.8'
-type: development
-group: group::pipeline execution
-default_enabled: false

lib/gitlab/ci/variables/builder.rb

@@ -24,8 +24,8 @@ module Gitlab
             variables.concat(user_variables(job.user))
             variables.concat(job.dependency_variables) if dependencies
             variables.concat(secret_instance_variables)
-            variables.concat(secret_group_variables(environment: environment, ref: job.git_ref))
-            variables.concat(secret_project_variables(environment: environment, ref: job.git_ref))
+            variables.concat(secret_group_variables(environment: environment))
+            variables.concat(secret_project_variables(environment: environment))
             variables.concat(job.trigger_request.user_variables) if job.trigger_request
             variables.concat(pipeline.variables)
             variables.concat(pipeline.pipeline_schedule.job_variables) if pipeline.pipeline_schedule
@@ -75,21 +75,21 @@ module Gitlab
           end
         end
 
-        def secret_group_variables(environment:, ref:)
-          if memoize_secret_variables?
-            memoized_secret_group_variables(environment: environment)
-          else
-            return [] unless project.group
-
-            project.group.ci_variables_for(ref, project, environment: environment)
+        def secret_group_variables(environment:)
+          strong_memoize_with(:secret_group_variables, environment) do
+            group_variables_builder
+              .secret_variables(
+                environment: environment,
+                protected_ref: protected_ref?)
           end
         end
 
-        def secret_project_variables(environment:, ref:)
-          if memoize_secret_variables?
-            memoized_secret_project_variables(environment: environment)
-          else
-            project.ci_variables_for(ref: ref, environment: environment)
+        def secret_project_variables(environment:)
+          strong_memoize_with(:secret_project_variables, environment) do
+            project_variables_builder
+              .secret_variables(
+                environment: environment,
+                protected_ref: protected_ref?)
           end
         end
 
@@ -120,24 +120,6 @@ module Gitlab
           end
         end
 
-        def memoized_secret_project_variables(environment:)
-          strong_memoize_with(:secret_project_variables, environment) do
-            project_variables_builder
-              .secret_variables(
-                environment: environment,
-                protected_ref: protected_ref?)
-          end
-        end
-
-        def memoized_secret_group_variables(environment:)
-          strong_memoize_with(:secret_group_variables, environment) do
-            group_variables_builder
-              .secret_variables(
-                environment: environment,
-                protected_ref: protected_ref?)
-          end
-        end
-
         def ci_node_total_value(job)
           parallel = job.options&.dig(:parallel)
           parallel = parallel.dig(:total) if parallel.is_a?(Hash)
@@ -150,14 +132,6 @@ module Gitlab
           end
         end
 
-        def memoize_secret_variables?
-          strong_memoize(:memoize_secret_variables) do
-            ::Feature.enabled?(:ci_variables_builder_memoize_secret_variables,
-              project,
-              default_enabled: :yaml)
-          end
-        end
-
         def strong_memoize_with(name, *args)
           container = strong_memoize(name) { {} }