[prometheus-blackbox-exporter] deprecate chart

stable/prometheus-blackbox-exporter/Chart.yaml

@@ -1,7 +1,10 @@
 apiVersion: v1
-description: Prometheus Blackbox Exporter
+# The prometheus-blackbox-exporter chart is deprecated and no longer maintained.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 Prometheus Blackbox Exporter
 name: prometheus-blackbox-exporter
-version: 4.3.0
+version: 4.3.1
 appVersion: 0.16.0
 home: https://github.com/prometheus/blackbox_exporter
 sources:
@@ -10,10 +13,3 @@ keywords:
   - prometheus
   - blackbox
   - monitoring
-maintainers:
-  - name: desaintmartin
-    email: cedric@desaintmartin.fr
-  - name: gianrubio
-    email: gianrubio@gmail.com
-  - name: rsotnychenko
-    email: me@sota.sh

stable/prometheus-blackbox-exporter/README.md

@@ -1,5 +1,7 @@
 # Prometheus Blackbox Exporter
 
+DEPRECATED and moved to <https://github.com/prometheus-community/helm-charts>
+
 Prometheus exporter for blackbox testing
 
 Learn more: [https://github.com/prometheus/blackbox_exporter](https://github.com/prometheus/blackbox_exporter)

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

@@ -1 +1,3 @@
+DEPRECATED and moved to <https://github.com/prometheus-community/helm-charts>
+
 See https://github.com/prometheus/blackbox_exporter/ for how to configure Prometheus and the Blackbox Exporter.