docs(readme): drop recursive flag mention (#88)

Author: maksym-arutyunyan

CHANGELOG.md

@@ -19,6 +19,7 @@ format and adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html)
 
 ### Documentation
 - Document installation command and provide docs.rs, source code, and issue tracker links near the top of README
+- Remove mention of deprecated `-r` flag from README
 
 ## [0.1.5] - 2025-07-15
 

README.md

@@ -25,7 +25,6 @@ cargo install keepsorted
 - `keepsorted --check <path>` verifies sorting without modifying files.
 - `keepsorted --diff <path>` shows a diff of required changes.
 - `keepsorted --fix <path>` updates files in place.
-- Use `-r` to scan directories recursively.
 
 Run `keepsorted --check` in CI after filtering tracked files with
 `git ls-files` to prevent unsorted changes.