fix: revert release changelog entries (#5428)

Author: mikesposito

packages/multichain-network-controller/CHANGELOG.md

@@ -7,8 +7,6 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
-## [0.2.0]
-
 ### Changed
 
 - **BREAKING:** Bump `@metamask/accounts-controller` peer dependency to `^25.0.0` ([#5426](https://github.com/MetaMask/core/pull/5426))
@@ -34,8 +32,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
   - Handle both EVM and non-EVM network and account switching for the associated network.
   - Act as a proxy for the `NetworkController` (for EVM network changes).
 
-[Unreleased]: https://github.com/MetaMask/core/compare/@metamask/multichain-network-controller@0.2.0...HEAD
-[0.2.0]: https://github.com/MetaMask/core/compare/@metamask/multichain-network-controller@0.1.2...@metamask/multichain-network-controller@0.2.0
+[Unreleased]: https://github.com/MetaMask/core/compare/@metamask/multichain-network-controller@0.1.2...HEAD
 [0.1.2]: https://github.com/MetaMask/core/compare/@metamask/multichain-network-controller@0.1.1...@metamask/multichain-network-controller@0.1.2
 [0.1.1]: https://github.com/MetaMask/core/compare/@metamask/multichain-network-controller@0.1.0...@metamask/multichain-network-controller@0.1.1
 [0.1.0]: https://github.com/MetaMask/core/releases/tag/@metamask/multichain-network-controller@0.1.0