Removed legacy istio references; bumped chart, updated changelog and readme

General MR

Summary

• Removed legacy references to quit istio sidecar
• Removed legacy service monitor for Istio Operator

Relevant logs/screenshots

Set cleanUpgrade.enabled to true and validated there were no hanging jobs:

kubectl get job -n monitoring

No resources found in monitoring namespace.

Service monitors prior to removal:

monitoring         monitoring-grafana                                   10m
monitoring         monitoring-monitoring-istio-operator                 11m
monitoring         monitoring-monitoring-istio-pilot                    11m
monitoring         monitoring-monitoring-kube-alertmanager              11m
monitoring         monitoring-monitoring-kube-apiserver                 11m
monitoring         monitoring-monitoring-kube-coredns                   11m
monitoring         monitoring-monitoring-kube-kube-controller-manager   11m
monitoring         monitoring-monitoring-kube-kube-etcd                 11m
monitoring         monitoring-monitoring-kube-kube-proxy                11m
monitoring         monitoring-monitoring-kube-kube-scheduler            11m
monitoring         monitoring-monitoring-kube-kubelet                   11m
monitoring         monitoring-monitoring-kube-operator                  11m
monitoring         monitoring-monitoring-kube-prometheus                11m
monitoring         monitoring-monitoring-kube-state-metrics             11m
monitoring         monitoring-monitoring-prometheus-node-exporter       11m

Service monitors after updating to this branch:

**Note: May need to close browser and reopen to validate

monitoring         monitoring-grafana                                   29m
monitoring         monitoring-monitoring-istio-pilot                    30m
monitoring         monitoring-monitoring-kube-alertmanager              30m
monitoring         monitoring-monitoring-kube-apiserver                 30m
monitoring         monitoring-monitoring-kube-coredns                   30m
monitoring         monitoring-monitoring-kube-kube-controller-manager   30m
monitoring         monitoring-monitoring-kube-kube-etcd                 30m
monitoring         monitoring-monitoring-kube-kube-proxy                30m
monitoring         monitoring-monitoring-kube-kube-scheduler            30m
monitoring         monitoring-monitoring-kube-kubelet                   30m
monitoring         monitoring-monitoring-kube-operator                  30m
monitoring         monitoring-monitoring-kube-prometheus                30m
monitoring         monitoring-monitoring-kube-state-metrics             30m
monitoring         monitoring-monitoring-prometheus-node-exporter       30m

Linked Issue

issue

Upgrade Notices

N/A