Remove Codecov badge

Author: atouchet

README.md

@@ -1,7 +1,6 @@
 # LRU Cache
 
 [![Build Badge]][build status]
-[![Codecov Badge]][coverage status]
 [![crates.io Badge]][crates.io package]
 [![docs.rs Badge]][docs.rs documentation]
 [![License Badge]][license]
@@ -51,8 +50,6 @@ fn main() {
 
 [build badge]: https://github.com/jeromefroe/lru-rs/actions/workflows/main.yml/badge.svg
 [build status]: https://github.com/jeromefroe/lru-rs/actions/workflows/main.yml
-[codecov badge]: https://codecov.io/gh/jeromefroe/lru-rs/branch/master/graph/badge.svg
-[coverage status]: https://codecov.io/gh/jeromefroe/lru-rs
 [crates.io badge]: https://img.shields.io/crates/v/lru.svg
 [crates.io package]: https://crates.io/crates/lru/
 [documentation]: https://docs.rs/lru/