* Separate coinswitch as a system plugin * Decouple Coinswitch from Checkout UI * remove dummy csproj * Remove CoinSwitchTests.cs per @NicolasDorier feedback Co-authored-by: rockstardev <rockstardev@users.noreply.github.com>
* Use library for Payjoin Sender * update payjoin sender to use new package and reduce code * fix using statements
Fixes #2264.