Remove unused Geo::Fdw::Ci::JobArtifact model

FDW queries to replicate job artifacts has
been removed. This model is not necessary
anymore.

ee/app/models/geo/fdw/ci/job_artifact.rb

-# frozen_string_literal: true
-
-module Geo
-  module Fdw
-    module Ci
-      class JobArtifact < ::Geo::BaseFdw
-        include ObjectStorable
-
-        STORE_COLUMN = :file_store
-
-        self.table_name = Gitlab::Geo::Fdw.foreign_table_name('ci_job_artifacts')
-
-        belongs_to :project, class_name: 'Geo::Fdw::Project', inverse_of: :job_artifacts
-
-        scope :not_expired, -> { where('expire_at IS NULL OR expire_at > ?', Time.current) }
-        scope :project_id_in, ->(ids) { where(project_id: ids) }
-
-        class << self
-          def inner_join_job_artifact_registry
-            join_statement =
-              arel_table
-                .join(job_artifact_registry_table, Arel::Nodes::InnerJoin)
-                .on(arel_table[:id].eq(job_artifact_registry_table[:artifact_id]))
-
-            joins(join_statement.join_sources)
-          end
-
-          def missing_job_artifact_registry
-            left_outer_join_job_artifact_registry
-              .where(job_artifact_registry_table[:id].eq(nil))
-          end
-
-          private
-
-          def job_artifact_registry_table
-            Geo::JobArtifactRegistry.arel_table
-          end
-
-          def left_outer_join_job_artifact_registry
-            join_statement =
-              arel_table
-                .join(job_artifact_registry_table, Arel::Nodes::OuterJoin)
-                .on(arel_table[:id].eq(job_artifact_registry_table[:artifact_id]))
-
-            joins(join_statement.join_sources)
-          end
-        end
-      end
-    end
-  end
-end

ee/app/models/geo/fdw/project.rb

@@ -9,7 +9,6 @@ module Geo
       self.primary_key = :id
       self.table_name = Gitlab::Geo::Fdw.foreign_table_name('projects')
 
-      has_many :job_artifacts, class_name: 'Geo::Fdw::Ci::JobArtifact'
       has_many :container_repositories, class_name: 'Geo::Fdw::ContainerRepository'
 
       belongs_to :namespace, class_name: 'Geo::Fdw::Namespace'

ee/spec/models/geo/fdw/ci/job_artifact_spec.rb

-# frozen_string_literal: true
-
-require 'spec_helper'
-
-RSpec.describe Geo::Fdw::Ci::JobArtifact, :geo, type: :model do
-  context 'relationships' do
-    it { is_expected.to belong_to(:project).class_name('Geo::Fdw::Project').inverse_of(:job_artifacts) }
-  end
-end

ee/spec/models/geo/fdw/project_spec.rb

@@ -4,7 +4,6 @@ require 'spec_helper'
 
 RSpec.describe Geo::Fdw::Project, :geo_fdw, type: :model do
   context 'relationships' do
-    it { is_expected.to have_many(:job_artifacts).class_name('Geo::Fdw::Ci::JobArtifact') }
     it { is_expected.to have_many(:container_repositories).class_name('Geo::Fdw::ContainerRepository') }
   end