README.md: Remove Abscissa
It's been moved into its own repository:
@@ -30,10 +30,6 @@ This repository contains the following crates:
* [iq-bech32:](https://github.com/iqlusioninc/crates/tree/master/iq-bech32)
Bech32 (BIP-173) human-friendly base32 encoding for binary data intended for
use with cryptographic keys.
-* [abscissa:](https://github.com/iqlusioninc/crates/tree/master/abscissa)
- Cargo-like colored command-line interfaces.
-* [abscissa_derive:](https://github.com/iqlusioninc/crates/tree/master/abscissa_derive)
- Custom derive support for the abscissa microframework.
* [keyuri:](https://github.com/iqlusioninc/crates/tree/master/keyuri)
URI-like serialization format for cryptographic keys.
* [tai64:](https://github.com/iqlusioninc/crates/tree/master/tai64)
