### Problem/Motivation Replaces custom rector classes with generic, data-driven alternatives to reduce code duplication. Removes TwigEngineFunctionsRector variants, ReplaceCommentUriRector, and ReplaceFileGetContentHeadersRector by converting them to FunctionToFirstArgMethodRector configs. ### Work items - Commit(s): [ddc6ec7f89](https://github.com/palantirnet/drupal-rector/commit/ddc6ec7f89c5), [6d67ed39ea](https://github.com/palantirnet/drupal-rector/commit/6d67ed39ea72), [aa3636902f](https://github.com/palantirnet/drupal-rector/commit/aa3636902f05), [da8e0cf2f1](https://github.com/palantirnet/drupal-rector/commit/da8e0cf2f137), [7816d1bcc2](https://github.com/palantirnet/drupal-rector/commit/7816d1bcc2b4), [66464df835](https://github.com/palantirnet/drupal-rector/commit/66464df83538) ### Credit - Implemented by: @bbrala --- *Filed retroactively as part of the Drupal 12 rector coverage effort. Closed as fixed; credit to be applied to the contributors listed above.* *AI was used extensively to build this change and to file this issue. See [Dries Buytaert: AI-generated Rector rules for Drupal](https://dri.es/ai-generated-rector-rules-for-drupal) and [Björn Brala: Drupal Rector rules are config, not code. Mostly.](https://www.linkedin.com/pulse/drupal-rector-rules-config-code-mostly-bj%C3%B6rn-brala-vfpwe/).*