Remove report pipeline from GraphQL

ee/app/graphql/types/requirements_management/test_report_type.rb

@@ -18,10 +18,6 @@ module Types
             description: 'Author of the test report',
             resolve: -> (obj, _args, _ctx) { Gitlab::Graphql::Loaders::BatchModelLoader.new(User, obj.author_id).find }
 
-      field :pipeline, Ci::PipelineType, null: true,
-            description: 'Pipeline that created the test report',
-            resolve: -> (obj, _args, _ctx) { Gitlab::Graphql::Loaders::BatchModelLoader.new(::Ci::Pipeline, obj.pipeline_id).find }
-
       field :created_at, TimeType, null: false,
             description: 'Timestamp of when the test report was created'
     end

ee/changelogs/unreleased/cablett-expose-build-id-requirement-report.yml

+---
+title: De-expose requirement test report `pipeline` field from GraphQL
+merge_request: 34112
+author:
+type: changed

ee/spec/graphql/types/requirements_management/test_report_type_spec.rb

@@ -3,7 +3,7 @@
 require 'spec_helper'
 
 RSpec.describe GitlabSchema.types['TestReport'] do
-  fields = %i[id state pipeline author created_at]
+  fields = %i[id state author created_at]
 
   it { expect(described_class.graphql_name).to eq('TestReport') }