nixbang: migrate to by-name (#486677)

pkgs/by-name/ni/nixbang/package.nix

@@ -1,10 +1,10 @@
 {
   lib,
-  pythonPackages,
+  python3Packages,
   fetchFromGitHub,
 }:
 
-pythonPackages.buildPythonApplication rec {
+python3Packages.buildPythonApplication rec {
   pname = "nixbang";
   version = "0.1.2";
   format = "setuptools";

pkgs/top-level/all-packages.nix

@@ -5983,10 +5983,6 @@ with pkgs;
     )
       haskellPackages.haskell-ci;
 
-  nixbang = callPackage ../development/tools/misc/nixbang {
-    pythonPackages = python3Packages;
-  };
-
   nexusmods-app-unfree = nexusmods-app.override {
     pname = "nexusmods-app-unfree";
     _7zz = _7zz-rar;