e7ec5a873328c9b68836306086bd9b021e9c952a refactor(wallet)!: remove redundant get_descriptor_for_keychain (Giovanni Napoli)
Pull request description:
Fixes#1501
### Description
Simplifies `public_descriptor` function by using `get_descriptor` and removes `get_descriptor_for_keychain`.
### Notes to the reviewers
Tested with `cargo test --all-features`.
### Changelog notice
- Simplifies `public_descriptor` function and removes `get_descriptor_for_keychain`
### Checklists
#### All Submissions:
* [X] I've signed all my commits
* [X] I followed the [contribution guidelines](https://github.com/bitcoindevkit/bdk/blob/master/CONTRIBUTING.md)
* [X] I ran `cargo fmt` and `cargo clippy` before committing
ACKs for top commit:
notmandatory:
ACK e7ec5a873328c9b68836306086bd9b021e9c952a
storopoli:
ACK e7ec5a8733
Tree-SHA512: 5981190ac882e08e42b1be53c55afb70c4ba7e7a99a8ae2a4e05f0618d0eb23849ce544024bb406e6a6918d9e9757d9ff6ad5a701cd9814b686e36f1ea16b44a
8714e9d806