docs: update README

Author: Mettwasser

README.md

@@ -4,8 +4,6 @@ An async crate to wrap the [Worldstate API](https://docs.warframestat.us).
 
 Use this crate if you want to make a Warframe-related rust project that is async.
 
-Please Note that a few things are subject to change without bumps in majors. Obsolete versions will be yanked asap.
-
 ## Getting started
 To install, simply run `cargo add warframe`.