Revert "Merge branch 'main' of https://github.com/distribution/distribution into main"

This reverts commit 1100e30e1c, reversing
changes made to b659eb060f.

Signed-off-by: Chris Patterson <chrispat@github.com>

CONTRIBUTING.md

@@ -17,9 +17,8 @@
  - can't figure out something
  - are not sure what's going on or what your problem is
 
-Please ask first in the `#distribution` channel on Cloud Native Computing
-Foundation's (CNCF) slack - `cloud-native.slack.com`. 
-[Get Invite to CNCF slack.](https://slack.cncf.io)
+Please ask first in the #distribution channel on Docker community slack.
+[Click here for an invite to Docker community slack](https://dockr.ly/slack)
 
 ### Reporting security issues
 

README.md

@@ -75,13 +75,13 @@ the instructions for [building a development environment](BUILDING.md).
 
 ## Communication
 
-For async communication and long running discussions please use issues and pull
-requests on the GitHub repo. This will be the best place to discuss design and
-implementation.
+For async communication and long running discussions please use issues and pull requests on the github repo.
+This will be the best place to discuss design and implementation.
 
-For sync communication catch us in the `#distribution` slack channels on Cloud
-Native Computing Foundation's (CNCF) slack - `cloud-native.slack.com`. Everyone
-is welcome to join and chat about development. [Get Invite to CNCF slack.](https://slack.cncf.io)
+For sync communication we have a community slack with a #distribution channel that everyone is welcome to join and chat about development.
+
+**Slack:** Catch us in the #distribution channels on dockercommunity.slack.com.
+[Click here for an invite to Docker community slack.](https://dockr.ly/slack)
 
 ## Licenses