chore: update CHANGELOG for core smart contracts v0.2.0 release

Author: Le-Caignec

packages/smart-contract/CHANGELOG.md

@@ -4,26 +4,14 @@ All notable changes to this project will be documented in this file.
 
 ## [0.2.0](https://github.com/iExecBlockchainComputing/dataprotector-sdk/compare/core-smart-contracts-v0.2.0-beta...core-smart-contracts-v0.2.0) (2025-08-20)
 
-
 ### Added
 
 * core smart contracts v0.2.0 ([#485](https://github.com/iExecBlockchainComputing/dataprotector-sdk/issues/485)) ([957c87b](https://github.com/iExecBlockchainComputing/dataprotector-sdk/commit/957c87b76a9a6a0e0ed1552d792443bdc0c61e44))
-* **packages/subgraph:** trigger release for subgraph component ([5f679ec](https://github.com/iExecBlockchainComputing/dataprotector-sdk/commit/5f679ec0056a3824e5195c5a7f97182af63efbbd))
-* **packages/subgraph:** update subgraph component ([3946b69](https://github.com/iExecBlockchainComputing/dataprotector-sdk/commit/3946b699ad8ea08af97ebf265e72a2f9f701e9d5))
-
 
 ### Changed
 
 * dataProtector contract verification ([#477](https://github.com/iExecBlockchainComputing/dataprotector-sdk/issues/477)) ([7e388ed](https://github.com/iExecBlockchainComputing/dataprotector-sdk/commit/7e388ed4fc6b4a10e08f91848bbe881b3c36dfd4))
 
-
-### Misc
-
-* force release for subgraph component ([e10c0e6](https://github.com/iExecBlockchainComputing/dataprotector-sdk/commit/e10c0e670030516d8de04c90ae730302455507b7))
-* release subgraph v3.1.0 ([a19aabb](https://github.com/iExecBlockchainComputing/dataprotector-sdk/commit/a19aabbd42d3336f8597c396d875a4d99ce049b7))
-* release subgraph v3.1.0 ([dc363e7](https://github.com/iExecBlockchainComputing/dataprotector-sdk/commit/dc363e78709f779cf8852688398cff8b6433b48e))
-* reset sdk to beta versioning ([2cef3a3](https://github.com/iExecBlockchainComputing/dataprotector-sdk/commit/2cef3a30bf8a4cb703c458693e8d91c9eab67ab4))
-
 ## [0.2.0-beta](https://github.com/iExecBlockchainComputing/dataprotector-sdk/compare/hardhat-project-v0.1.0...hardhat-project-v0.2.0-beta) (2025-07-30)
 
 ### Added