Remove the page on deploying cluster across AKS clusters (#2547)

Following the PM's request, this PR removes the page on deploying Neo4j
cluster across AKS clusters.

Author: NataliaIvakina

modules/ROOT/content-nav.adoc

@@ -68,8 +68,6 @@
 *** xref:kubernetes/operations/scaling.adoc[]
 *** xref:kubernetes/operations/image-pull-secret.adoc[]
 *** xref:kubernetes/operations/assign-neo4j-pods.adoc[]
-** Deploy a multi-data center Neo4j cluster
-*** xref:kubernetes/multi-dc-cluster/aks.adoc[]
 ** xref:kubernetes/troubleshooting.adoc[]
 
 * xref:configuration/index.adoc[]

modules/ROOT/images/multi-dc-cc-aks.png

@@ -35,7 +35,6 @@ This chapter describes the following:
 ** xref:kubernetes/operations/scaling.adoc[Scale a Neo4j deployment]
 ** xref:kubernetes/operations/image-pull-secret.adoc[Use custom images from private registries]
 ** xref:kubernetes/operations/assign-neo4j-pods.adoc[Assign Neo4j pods to specific nodes]
-* xref:kubernetes/multi-dc-cluster/aks.adoc[Deploy a single Neo4j cluster across multiple AKS clusters] -- Deploy a single Neo4j cluster with three primary servers running on three different AKS clusters.
 * xref:kubernetes/troubleshooting.adoc[Troubleshooting] -- Diagnose and troubleshoot a Neo4j deployment running on Kubernetes.