Remove unused token
@@ -187,7 +187,7 @@ Swow's [PHP source code](lib/src/Swow) is also a good example. Swow is an incred
[license-link]: LICENSE
[ci-badge]: https://github.com/swow/swow/workflows/tests/badge.svg
[ci-link]: https://github.com/swow/swow/actions?query=workflow:tests
-[codecov-badge]: https://codecov.io/gh/swow/swow/branch/develop/graph/badge.svg?token=
+[codecov-badge]: https://codecov.io/gh/swow/swow/branch/develop/graph/badge.svg
[codecov-link]: https://codecov.io/gh/swow/swow
[release-badge]: https://img.shields.io/github/release/swow/swow.svg?include_prereleases
[release-link]: https://github.com/swow/swow/releases
