Deprecates chart (#7454)

Signed-off-by: Casey Kuhlman <casey@monax.io>

stable/oauth2-proxy/Chart.yaml

@@ -1,9 +1,12 @@
 name: oauth2-proxy
-version: 0.5.1
+version: 0.5.2
+# This chart is deprecated and no longer maintained as it's upstream has been abandoned.
+# For details deprecation, including how to un-deprecate a chart see the PROCESSES.md file.
+deprecated: true
 apiVersion: v1
 appVersion: 2.2
 home: http://www.videntity.com/
-description: A reverse proxy that provides authentication with Google, Github or other providers
+description: DEPRECATED A reverse proxy that provides authentication with Google, Github or other providers
 keywords:
 - kubernetes
 - oauth
@@ -11,9 +14,6 @@ keywords:
 - authentication
 - google
 - github
-maintainers:
-- name: compleatang
-  email: casey@monax.io
 sources:
 - https://github.com/bitly/oauth2_proxy
 engine: gotpl

stable/oauth2-proxy/OWNERS

@@ -1,4 +0,0 @@
-approvers:
-- compleatang
-reviewers:
-- compleatang

stable/oauth2-proxy/README.md

@@ -1,5 +1,7 @@
 # oauth2-proxy
 
+**N.B., this chart is deprecated and is no longer maintained as it's upstream [has been abandoned](https://github.com/bitly/oauth2_proxy/issues/628#issuecomment-417121636).**
+
 [oauth2-proxy](https://github.com/bitly/oauth2_proxy) is a reverse proxy and static file server that provides authentication using Providers (Google, GitHub, and others) to validate accounts by email, domain or group.
 
 **Note - at this time, there is a known incompatibility between `oauth2-proxy` version 2.2 (which is its latest release) and `nginx-ingress` versions >= 0.9beta12. To utilize this chart at this time please use nginx-ingress version 0.9beta11**

stable/oauth2-proxy/templates/NOTES.txt

@@ -1,3 +1 @@
-To verify that oauth2-proxy has started, run:
-
-  kubectl --namespace={{ .Release.Namespace }} get pods -l "app={{ template "oauth2-proxy.fullname" . }}"
+Note this chart is deprecated and is no longer maintained because upstream was abandoned.