chore: update readme

Author: milan-codes

README.md

@@ -13,8 +13,6 @@ This is my personal portfolio and blog template. It allows you to create blog po
 
 ## Development
 
-This repository includes a Nix Flakes-based development environment. If Nix is configured on your system, run `nix develop` to enter the development environment. Optionally, [direnv](https://github.com/direnv/direnv) can automatically do this for you, when you change into the directory.
-
 1. Install the necessary dependencies by running `bun install`.
 2. Start the development server by running `bun dev`.