cleanup cabal file

horizon-spec.cabal

 cabal-version:      1.12
-
--- This file has been generated from package.yaml by hpack version 0.34.7.
---
--- see: https://github.com/sol/hpack
-
 name:               horizon-spec
 version:            0.0.0.1
-synopsis:           Short description of your package
-description:
-  Please see the README on GitHub at <https://github.com/githubuser/ranger#readme>
-
-category:           Web
+synopsis:           Horizon Stable Package Set Type Definitions
+description:        Horizon Stable Package Set Type Definitions
+category:           Packages
 author:             Daniel Firth
 maintainer:         dan.firth@homotopic.tech
 copyright:          2022 Daniel Firth