remove nufmt (#386)

Author: zimbatm

README.md

@@ -221,7 +221,7 @@ functions.
 <!-- `> bash ./supported-programs.sh` -->
 
 <!-- BEGIN mdsh -->
-`treefmt-nix` currently supports 110 formatters:
+`treefmt-nix` currently supports 109 formatters:
 
 * [actionlint](programs/actionlint.nix)
 * [alejandra](programs/alejandra.nix)
@@ -290,7 +290,6 @@ functions.
 * [nixfmt-rfc-style](programs/nixfmt-rfc-style.nix)
 * [nixfmt](programs/nixfmt.nix)
 * [nixpkgs-fmt](programs/nixpkgs-fmt.nix)
-* [nufmt](programs/nufmt.nix)
 * [ocamlformat](programs/ocamlformat.nix)
 * [odinfmt](programs/odinfmt.nix)
 * [opa](programs/opa.nix)