chore(mkdocs.yml,releases.md): comment out chart provenance commands

Author: mboersma

mkdocs.yml

@@ -36,7 +36,7 @@ pages:
     - Configuring Object Storage: installing-workflow/configuring-object-storage.md
     - Configuring Postgres: installing-workflow/configuring-postgres.md
     - Configuring the Registry: installing-workflow/configuring-registry.md
-    - Chart Provenance: installing-workflow/chart-provenance.md
+    #- Chart Provenance: installing-workflow/chart-provenance.md
     - Experimental Native Ingress: installing-workflow/experimental-native-ingress.md
   - Users:
     - Command Line Interface: users/cli.md

src/roadmap/releases.md

@@ -133,6 +133,9 @@ If the component has a correlating [Kubernetes Helm][] chart,
 this chart will also be packaged, signed and uploaded to its production chart repo.  Please
 verify it can be fetched (and verified):
 
+!!! note
+    Verification of chart provenance is [currently broken](https://github.com/deis/workflow/issues/822).
+
 ```
 $ helm repo add controller https://charts.deis.com/controller
 "controller" has been added to your repositories