Update README (#98)

Author: ivan-borovets

README.md

@@ -3,8 +3,6 @@
 Stay tuned. Refactor in progress, see [`legacy-2025`](https://github.com/ivan-borovets/fastapi-clean-example/tree/legacy-2025) branch for architecture docs
 
 TODO:
-- [ ] Polish code where possible
-- [ ] Write integration tests, finally
 - [ ] Explain code and patterns in new README
 - [ ] Make template project