Cleanup after v2.22.0 release

CHANGELOG.md

@@ -1,9 +1,6 @@
 CHANGELOG
 =========
 
-## HEAD (Unreleased)
-_(none)_
-
 ## 2.22.0 (2021-03-03)
 
 ### Improvements

CHANGELOG_PENDING.md

@@ -1,20 +1,8 @@
+### Features
+
+
 ### Improvements
 
-- [#6410](https://github.com/pulumi/pulumi/pull/6410) Add `diff` option to Automation API's `preview` and `up`
 
 ### Bug Fixes
 
-- [automation/dotnet] - resolve issue with OnOutput delegate not being called properly during pulumi process execution.
-  [#6435](https://github.com/pulumi/pulumi/pull/6435)
-
-- [automation/python,nodejs,dotnet] - BREAKING - Remove `summary` property from `PreviewResult`.
-  The `summary` property on `PreviewResult` returns a result that is always incorrect and is being removed.
-  [#6405](https://github.com/pulumi/pulumi/pull/6405)
-  
-- [automation/python] - Fix Windows error caused by use of NamedTemporaryFile in automation api.
-  [#6421](https://github.com/pulumi/pulumi/pull/6421)
-
-- [sdk/nodejs] Serialize default parameters correctly. [#6397](https://github.com/pulumi/pulumi/pull/6397)
-
-- [cli] Respect provider aliases while diffing resources.
-  [#6453](https://github.com/pulumi/pulumi/pull/6453)