Remove warnings about experimental status (#102)

We're using this library a bunch internally so I think its safe to
remove the warnings :)

Author: davidpdrsn

README.md

@@ -18,10 +18,6 @@
 [![Build status](https://github.com/EmbarkStudios/physx-rs/workflows/CI/badge.svg)](https://github.com/EmbarkStudios/physx-rs/actions)
 </div>
 
-## 🚨 Warning 🚨
-
-This library is still experimental and should not be used for anything serious, yet.
-
 ## Contributing
 
 [![Contributor Covenant](https://img.shields.io/badge/contributor%20covenant-v1.4-ff69b4.svg)](CODE_OF_CONDUCT.md)

crates/mirror-mirror/src/lib.rs

@@ -1,11 +1,5 @@
 //! General purpose reflection library for Rust.
 //!
-//! # 🚨 Warning 🚨
-//!
-//! This library is still experimental and should not be used for anything serious, yet. Many
-//! things are still undocumented and breaking changes are to be expected, though we do adhere to
-//! semver.
-//!
 //! # Examples
 //!
 //! ## Access a field by its string name and mutate it