ruff

a7cf8f0b - Replace dynamic implicit concatenation detection with parser flag (#6513)

Replace dynamic implicit concatenation detection with parser flag (#6513) ## Summary In https://github.com/astral-sh/ruff/pull/6512, we added a flag to the AST to mark implicitly-concatenated string expressions. This PR makes use of that flag to remove the `is_implicit_concatenation` method. ## Test Plan `cargo test`