Update README.md (#2717)

0.7 was released now, we can remove notes about it's pending release

README.md

@@ -117,9 +117,6 @@ with C, those interactions are `unsafe`.
 
 SQLx is compatible with the [`async-std`], [`tokio`], and [`actix`] runtimes; and, the [`native-tls`] and [`rustls`] TLS backends. When adding the dependency, you must choose a runtime feature that is `runtime` + `tls`.
 
-NOTE: these examples are for the 0.7 release.
-For the previous stable release, 0.6.3, see [the previous version of this document](https://github.com/launchbadge/sqlx/blob/v0.6.3/README.md).
-
 [`async-std`]: https://github.com/async-rs/async-std
 [`tokio`]: https://github.com/tokio-rs/tokio
 [`actix`]: https://github.com/actix/actix-net
@@ -230,9 +227,6 @@ See the `examples/` folder for more in-depth usage.
 
 ### Quickstart
 
-NOTE: these examples are for the 0.7 release.
-For the previous stable release, 0.6.3, see [the previous version of this document](https://github.com/launchbadge/sqlx/blob/v0.6.3/README.md).
-
 ```rust
 use sqlx::postgres::PgPoolOptions;
 // use sqlx::mysql::MySqlPoolOptions;