[prometheus-cloudwatch-exporter] deprecate chart (#23696)

Signed-off-by: Naseem <naseem@transit.app>

stable/prometheus-cloudwatch-exporter/Chart.yaml

@@ -1,8 +1,11 @@
 apiVersion: v1
 appVersion: "0.8.0"
-description: A Helm chart for prometheus cloudwatch-exporter
+# The prometheus-cloudwatch-exporter chart is deprecated and no longer maintained. For details deprecation,
+# including how to un-deprecate a chart see the PROCESSES.md file.
+deprecated: true
+description: DEPRECATED A Helm chart for prometheus cloudwatch-exporter
 name: prometheus-cloudwatch-exporter
-version: 0.8.3
+version: 0.8.4
 home: https://github.com/prometheus/cloudwatch_exporter
 sources:
 - https://github.com/prometheus/cloudwatch_exporter
@@ -11,10 +14,3 @@ keywords:
 - cloudwatch
 - prometheus
 - exporter
-maintainers:
-- email: gianrubio@gmail.com
-  name: gianrubio
-- name: torstenwalter
-  email: mail@torstenwalter.de
-- name: asherf
-  email: asher@asherfoa.com

stable/prometheus-cloudwatch-exporter/README.md

@@ -1,5 +1,7 @@
 # Cloudwatch exporter
 
+DEPRECATED and moved to <https://github.com/prometheus-community/helm-charts>
+
 * Installs [cloudwatch exporter](http://github.com/prometheus/cloudwatch_exporter)
 
 ## TL;DR;

stable/prometheus-cloudwatch-exporter/templates/NOTES.txt

@@ -1,3 +1,5 @@
+DEPRECATED and moved to <https://github.com/prometheus-community/helm-charts>
+
 1. Get the application URL by running these commands:
 {{- if contains "NodePort" .Values.service.type }}
   export NODE_PORT=$(kubectl get --namespace {{ .Release.Namespace }} -o jsonpath="{.spec.ports[0].nodePort}" services {{ template "prometheus-cloudwatch-exporter.fullname" . }})