Merge branch 'remove_cluster_ingresses_association' into 'master'

Remove cluster_ingresses association from project.rb

See merge request gitlab-org/gitlab!17868

app/models/project.rb

@@ -245,7 +245,6 @@ class Project < ApplicationRecord
 
   has_one :cluster_project, class_name: 'Clusters::Project'
   has_many :clusters, through: :cluster_project, class_name: 'Clusters::Cluster'
-  has_many :cluster_ingresses, through: :clusters, source: :application_ingress, class_name: 'Clusters::Applications::Ingress'
   has_many :kubernetes_namespaces, class_name: 'Clusters::KubernetesNamespace'
 
   has_many :prometheus_metrics

spec/lib/gitlab/import_export/all_models.yml

@@ -250,7 +250,6 @@ project:
 - cluster
 - clusters
 - cluster_project
-- cluster_ingresses
 - creator
 - cycle_analytics_stages
 - group