Stop exposing Secure artifacts in MR widget entity

We are not consuming the endpoints anymore, since we are now using the
new comparison endpoints. Thus we can stop exposing them.

ee/app/serializers/ee/merge_request_widget_entity.rb

@@ -40,26 +40,6 @@ module EE
         merge_request.enabled_reports
       end
 
-      expose :sast, if: -> (mr, _) { head_pipeline_downloadable_path_for_report_type(:sast) } do
-        expose :head_path do |merge_request|
-          head_pipeline_downloadable_path_for_report_type(:sast)
-        end
-
-        expose :base_path do |merge_request|
-          base_pipeline_downloadable_path_for_report_type(:sast)
-        end
-      end
-
-      expose :dependency_scanning, if: -> (mr, _) { head_pipeline_downloadable_path_for_report_type(:dependency_scanning) } do
-        expose :head_path do |merge_request|
-          head_pipeline_downloadable_path_for_report_type(:dependency_scanning)
-        end
-
-        expose :base_path do |merge_request|
-          base_pipeline_downloadable_path_for_report_type(:dependency_scanning)
-        end
-      end
-
       expose :license_management, if: -> (mr, _) { head_pipeline_downloadable_path_for_report_type(:license_management) } do
         expose :head_path do |merge_request|
           head_pipeline_downloadable_path_for_report_type(:license_management)
@@ -90,26 +70,6 @@ module EE
         metrics_reports_project_merge_request_path(merge_request.project, merge_request, format: :json)
       end
 
-      expose :sast_container, if: -> (mr, _) { head_pipeline_downloadable_path_for_report_type(:container_scanning) } do
-        expose :head_path do |merge_request|
-          head_pipeline_downloadable_path_for_report_type(:container_scanning)
-        end
-
-        expose :base_path do |merge_request|
-          base_pipeline_downloadable_path_for_report_type(:container_scanning)
-        end
-      end
-
-      expose :dast, if: -> (mr, _) { head_pipeline_downloadable_path_for_report_type(:dast) } do
-        expose :head_path do |merge_request|
-          head_pipeline_downloadable_path_for_report_type(:dast)
-        end
-
-        expose :base_path do |merge_request|
-          base_pipeline_downloadable_path_for_report_type(:dast)
-        end
-      end
-
       expose :pipeline_id, if: -> (mr, _) { mr.head_pipeline } do |merge_request|
         merge_request.head_pipeline.id
       end

ee/spec/serializers/merge_request_widget_entity_spec.rb

@@ -32,7 +32,7 @@ describe MergeRequestWidgetEntity do
   end
 
   def create_all_artifacts
-    artifacts = %i(codequality sast dependency_scanning container_scanning dast license_management performance)
+    artifacts = %i(codequality license_management performance)
 
     artifacts.each do |artifact_type|
       create(:ee_ci_build, artifact_type, :success, pipeline: pipeline, project: pipeline.project)
@@ -95,10 +95,6 @@ describe MergeRequestWidgetEntity do
 
     where(:json_entry, :artifact_type) do
       :codeclimate         | :codequality
-      :sast                | :sast
-      :dependency_scanning | :dependency_scanning
-      :sast_container      | :container_scanning
-      :dast                | :dast
       :license_management  | :license_management
       :performance         | :performance
     end