Moved changes from new release to unreleased in changelog

Author: jackiryan

CHANGELOG.md

@@ -8,14 +8,6 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ## [Unreleased]
 ### Added
 - [issues/59](https://github.com/podaac/bignbit/issues/59): A new pair of keywords (`dataDayStrategy` and `singleDayNumber`) have been added to the DatasetConfiguration for BIG to enable proper image metadata for annual products. These keywords allow a dataset to override the umm-g date info.
-### Changed
-### Deprecated
-### Removed
-### Fixed
-### Security
-
-## [0.3.0]
-### Added
 - [issues/84](https://github.com/podaac/bignbit/issues/84): New parameter in dataset config `subdaily` that sends DataDateTime to GIBS instead of DataDay.
 - Added optional `concept_id` keyword to dataset config to provide an override for finding the proper CMR collection concept ID when testing.
 ### Changed