Apply suggestions from code review

Co-authored-by: Marco Ebert <marco_ebert@icloud.com>

charts/ingress-nginx/tests/controller-daemonset_test.yaml

@@ -116,7 +116,7 @@ tests:
                     operator: In
                     values:
                       - controller
-              topologyKey: "kubernetes.io/hostname"
+              topologyKey: kubernetes.io/hostname
     asserts:
       - equal:
           path: spec.template.spec.affinity

charts/ingress-nginx/tests/controller-deployment_test.yaml

@@ -138,7 +138,7 @@ tests:
                     operator: In
                     values:
                       - controller
-              topologyKey: "kubernetes.io/hostname"
+              topologyKey: kubernetes.io/hostname
     asserts:
       - equal:
           path: spec.template.spec.affinity

charts/ingress-nginx/tests/default-backend-deployment_test.yaml

@@ -113,7 +113,7 @@ tests:
                     operator: In
                     values:
                       - default-backend
-              topologyKey: "kubernetes.io/hostname"
+              topologyKey: kubernetes.io/hostname
     asserts:
       - equal:
           path: spec.template.spec.affinity

charts/ingress-nginx/values.yaml

@@ -1052,7 +1052,7 @@ defaultBackend:
   #         operator: In
   #         values:
   #         - default-backend
-  #     topologyKey: "kubernetes.io/hostname"
+  #     topologyKey: kubernetes.io/hostname
 
   # -- Topology spread constraints rely on node labels to identify the topology domain(s) that each Node is in.
   # Ref.: https://kubernetes.io/docs/concepts/workloads/pods/pod-topology-spread-constraints/