simplify front matter

Author: alimanfoo

docs/protocol/core/v3.0.rst

@@ -14,13 +14,12 @@ Issue tracking:
     `GitHub issues <https://github.com/zarr-developers/zarr-specs/labels/core-protocol-v3.0>`_
 
 Suggest an edit for this spec:
-    `GitHub editor <https://github.com/zarr-developers/zarr-specs/blob/core-protocol-v3.0-dev/docs/protocol/core/v3.0.rst>`_
+    `GitHub editor <https://github.com/zarr-developers/zarr-specs/blob/master/docs/protocol/core/v3.0.rst>`_
 
-Copyright 2019-Present `Zarr core development
-team <https://github.com/orgs/zarr-developers/teams/core-devs>`_ (@@TODO
-list institutions?). This work is licensed under a `Creative Commons
-Attribution 3.0 Unported
-License <https://creativecommons.org/licenses/by/3.0/>`_.
+Copyright 2019-Present `Zarr core development team
+<https://github.com/orgs/zarr-developers/teams/core-devs>`_. This work
+is licensed under a `Creative Commons Attribution 3.0 Unported License
+<https://creativecommons.org/licenses/by/3.0/>`_.
 
 ----
 
@@ -36,22 +35,16 @@ Status of this document
 =======================
 
 This document is a **Work in Progress**. It may be updated, replaced
-or obsoleted by other documents at any time. It is inappropriate to
-cite this document as other than work in progress.
+or obsoleted by other documents at any time.
 
 Comments, questions or contributions to this document are very
 welcome. Comments and questions should be raised via `GitHub issues
-<https://github.com/zarr-developers/zarr-specs/labels/core-protocol-v3.0>`_. When
-raising an issue, please add the label
-"core-protocol-v3.0". Contributions and suggested edits can be made
-via GitHub via the `online editor
-<https://github.com/zarr-developers/zarr-specs/blob/core-protocol-v3.0-dev/docs/protocol/core/v3.0.rst>`_
-or by making a pull request against the
-`"core-protocol-v3.0-dev" branch <https://github.com/zarr-developers/zarr-specs/tree/core-protocol-v3.0-dev>`_.
+<https://github.com/zarr-developers/zarr-specs/labels/core-protocol-v3.0>`_.
 
 This document was produced by the `Zarr core development team
 <https://github.com/orgs/zarr-developers/teams/core-devs>`_.
 
+
 Main difference with v2
 =======================