Update README.md (#13699)

* Update README.md

Signed-off-by: Glenn Jocher <glenn.jocher@ultralytics.com>

* Update README.zh-CN.md

Signed-off-by: Glenn Jocher <glenn.jocher@ultralytics.com>

* Update link in README.zh-CN.md

Signed-off-by: Glenn Jocher <glenn.jocher@ultralytics.com>

* Fix URL in README.md for YOLO26 link

Signed-off-by: Glenn Jocher <glenn.jocher@ultralytics.com>

* Remove Zenodo citation badge

Removed the Zenodo citation badge from the README.

Signed-off-by: Glenn Jocher <glenn.jocher@ultralytics.com>

* Update README.zh-CN.md

Signed-off-by: Glenn Jocher <glenn.jocher@ultralytics.com>

* Update YOLO link in Chinese README

Signed-off-by: Glenn Jocher <glenn.jocher@ultralytics.com>

* Update README.md

Signed-off-by: Glenn Jocher <glenn.jocher@ultralytics.com>

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Signed-off-by: Glenn Jocher <glenn.jocher@ultralytics.com>