Clean up v4 release notes

Author: morgante

CHANGELOG.md

@@ -11,28 +11,11 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 * Minimum Google provider version changed to 3.5.x
 
-Work done:
-- upgraded all version-files to google-provider 3.5.x
-- upgraded the project factory to version 7.0
-- switched to bigquery.googleapis.com, since bigquery-json doesn't work on new projects anymore
-- fixed 1 id-usage where project-id should be used
-- updated test setup documentation to fix the issues I ran into when setting up my test environment
-- altered the splunk-sink sample to use the locally referenced module, in stead of the one in the terraform registry
-
-Update versions.tf
-
-Co-Authored-By: Morgante Pell <[email protected]>
-
-Fix linting errors
-
 ### Features
 
 * Add the option to define 'bucket_policy_only' value on buckets ([#47](https://www.github.com/terraform-google-modules/terraform-google-log-export/issues/47)) ([702f411](https://www.github.com/terraform-google-modules/terraform-google-log-export/commit/702f4119429f30b23494f248232a2663a64f84b6))
 * Upgrade to google-provider 3.5.x. ([#46](https://www.github.com/terraform-google-modules/terraform-google-log-export/issues/46)) ([311d603](https://www.github.com/terraform-google-modules/terraform-google-log-export/commit/311d603416c5dc70cfb3785a613054447ea3d7eb))
 
-## [Unreleased]
-- Migrated to Google Provider version 3.5.x [#45]
-
 ## [3.2.0] - 2019-12-12
 
 ### Added