OSDOCS#5583: Update required permissions for DNS resources section

Author: xenolinux

modules/installation-gcp-permissions.adoc

@@ -105,7 +105,6 @@ The following are the required permissions for provisioning GCP infrastructure f
 * `dns.networks.bindPrivateDNSZone`
 * `dns.resourceRecordSets.create`
 * `dns.resourceRecordSets.list`
-* `dns.resourceRecordSets.update`
 endif::ipiupi[]
 ifdef::upi[]
 * `dns.resourceRecordSets.update`