Rename features2d #26405 This PR renames the module _features2d_ to _features_ as one of the Big OpenCV Cleanup #25007. Related PR: opencv/opencv_contrib: [#3820](https://github.com/opencv/opencv_contrib/pull/3820) opencv/ci-gha-workflow: [#192](https://github.com/opencv/ci-gha-workflow/pull/192)
Move API focused C++ samples to snippets #25252 Clean Samples #25006 This PR removes 39 outdated C++ samples from the project, as part of an effort to keep the codebase clean and focused on current best practices.