fix: update lazy uninstall information link (nvim-lua#1148)

Author: neitsab

README.md

@@ -130,7 +130,7 @@ examples of adding popularly requested plugins.
     `~/.local/share/nvim-kickstart`. You can apply this approach to any Neovim
     distribution that you would like to try out.
 * What if I want to "uninstall" this configuration:
-  * See [lazy.nvim uninstall](https://github.com/folke/lazy.nvim#-uninstalling) information
+  * See [lazy.nvim uninstall](https://lazy.folke.io/usage#-uninstalling) information
 * Why is the kickstart `init.lua` a single file? Wouldn't it make sense to split it into multiple files?
   * The main purpose of kickstart is to serve as a teaching tool and a reference
     configuration that someone can easily use to `git clone` as a basis for their own.