docs(README): improve packaging status on README

Signed-off-by: Jakob Beckmann <[email protected]>

Author: f4z3r

README.md

@@ -6,8 +6,6 @@
 
 ![GitHub contributors](https://img.shields.io/github/contributors-anon/f4z3r/gruvbox-material.nvim)
 ![GitHub last commit](https://img.shields.io/github/last-commit/f4z3r/gruvbox-material.nvim)
-[![nixpkgs stable 25.05 package](https://repology.org/badge/version-for-repo/nix_stable_25_05/vim%3Agruvbox-material.nvim.svg)](https://repology.org/project/vim%3Agruvbox-material.nvim/versions)
-[![nixpkgs unstable package](https://repology.org/badge/version-for-repo/nix_unstable/vim%3Agruvbox-material.nvim.svg)](https://repology.org/project/vim%3Agruvbox-material.nvim/versions)
 
 ### A NeoVim colour scheme in pure Lua allowing for highly flexible configuration and customization.
 
@@ -48,6 +46,10 @@ contrasts.
 
 ---
 
+## Packaging
+
+[![Packaging status](https://repology.org/badge/vertical-allrepos/vim%3Agruvbox-material.nvim.svg)](https://repology.org/project/vim%3Agruvbox-material.nvim/versions)
+
 ## Features
 
 Supported Plugins: