Remove custom cache context for now

config/feature_flags/development/api_caching_merge_requests.yml

 ---
 name: api_caching_merge_requests
-introduced_by_url: 
+introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/61067
 rollout_issue_url: 
 milestone: '13.12'
 type: development

lib/api/merge_requests.rb

@@ -202,18 +202,6 @@ module API
         options[:project] = user_project
 
         if Feature.enabled?(:api_caching_merge_requests, user_project, type: :development, default_enabled: :yaml)
-          # User-specific context in the simple MR entity is limited to
-          # email address exposure, which we need to check and combine
-          # into the cache context
-          options[:cache_context] = proc do |mr|
-            [
-              options.values_at(:render_html, :with_labels_details, :skip_merge_status_recheck),
-              mr.author.managed_by?(current_user),
-              mr.assignees.map { |u| u.managed_by?(current_user) },
-              [mr.metrics&.merged_by, mr.metrics&.latest_closed_by].compact.map { |u| u.managed_by?(current_user) }
-            ]
-          end
-
           present_cached merge_requests, **options
         else
           present merge_requests, options