Update all usages of KubeClient

Find and replace everywhere we pass in `api_groups` to KubeClient, as no
longer needed

app/models/clusters/platforms/kubernetes.rb

@@ -109,7 +109,7 @@ module Clusters
       end
 
       def kubeclient
-        @kubeclient ||= build_kube_client!(api_groups: ['api', 'apis/rbac.authorization.k8s.io'])
+        @kubeclient ||= build_kube_client!
       end
 
       private
@@ -138,7 +138,7 @@ module Clusters
         Gitlab::NamespaceSanitizer.sanitize(slug)
       end
 
-      def build_kube_client!(api_groups: ['api'], api_version: 'v1')
+      def build_kube_client!(api_version: 'v1')
         raise "Incomplete settings" unless api_url && actual_namespace
 
         unless (username && password) || token
@@ -147,7 +147,6 @@ module Clusters
 
         Gitlab::Kubernetes::KubeClient.new(
           api_url,
-          api_groups,
           api_version,
           auth_options: kubeclient_auth_options,
           ssl_options: kubeclient_ssl_options,

app/models/project_services/kubernetes_service.rb

@@ -146,7 +146,7 @@ class KubernetesService < DeploymentService
   end
 
   def kubeclient
-    @kubeclient ||= build_kube_client!(api_groups: ['api', 'apis/rbac.authorization.k8s.io'])
+    @kubeclient ||= build_kube_client!
   end
 
   def deprecated?
@@ -184,12 +184,11 @@ class KubernetesService < DeploymentService
     slug.gsub(/[^-a-z0-9]/, '-').gsub(/^-+/, '')
   end
 
-  def build_kube_client!(api_groups: ['api'], api_version: 'v1')
+  def build_kube_client!(api_version: 'v1')
     raise "Incomplete settings" unless api_url && actual_namespace && token
 
     Gitlab::Kubernetes::KubeClient.new(
       api_url,
-      api_groups,
       api_version,
       auth_options: kubeclient_auth_options,
       ssl_options: kubeclient_ssl_options,

app/services/clusters/gcp/finalize_creation_service.rb

@@ -60,17 +60,15 @@ module Clusters
           'https://' + gke_cluster.endpoint,
           Base64.decode64(gke_cluster.master_auth.cluster_ca_certificate),
           gke_cluster.master_auth.username,
-          gke_cluster.master_auth.password,
-          api_groups: ['api', 'apis/rbac.authorization.k8s.io']
+          gke_cluster.master_auth.password
         )
       end
 
-      def build_kube_client!(api_url, ca_pem, username, password, api_groups: ['api'], api_version: 'v1')
+      def build_kube_client!(api_url, ca_pem, username, password, api_version: 'v1')
         raise "Incomplete settings" unless api_url && username && password
 
         Gitlab::Kubernetes::KubeClient.new(
           api_url,
-          api_groups,
           api_version,
           auth_options: { username: username, password: password },
           ssl_options: kubeclient_ssl_options(ca_pem),

spec/services/clusters/gcp/kubernetes/create_service_account_service_spec.rb

@@ -16,7 +16,6 @@ describe Clusters::Gcp::Kubernetes::CreateServiceAccountService do
     let(:kubeclient) do
       Gitlab::Kubernetes::KubeClient.new(
         api_url,
-        ['api', 'apis/rbac.authorization.k8s.io'],
         auth_options: { username: username, password: password }
       )
     end

spec/services/clusters/gcp/kubernetes/fetch_kubernetes_token_service_spec.rb

@@ -11,7 +11,6 @@ describe Clusters::Gcp::Kubernetes::FetchKubernetesTokenService do
     let(:kubeclient) do
       Gitlab::Kubernetes::KubeClient.new(
         api_url,
-        ['api', 'apis/rbac.authorization.k8s.io'],
         auth_options: { username: username, password: password }
       )
     end