node-env.nix: remove references to python2 (#391707)

pkgs/development/compilers/elm/packages/node/node-composition.nix

@@ -13,7 +13,6 @@ let
     inherit (pkgs)
       stdenv
       lib
-      python2
       runCommand
       writeTextFile
       writeShellScript

pkgs/development/node-packages/composition.nix

@@ -13,7 +13,6 @@ let
     inherit (pkgs)
       stdenv
       lib
-      python2
       runCommand
       writeTextFile
       writeShellScript

pkgs/development/node-packages/node-env.nix

@@ -1,9 +1,9 @@
 # This file originates from node2nix
 
-{lib, stdenv, nodejs, python2, pkgs, libtool, runCommand, writeTextFile, writeShellScript}:
+{lib, stdenv, nodejs, pkgs, libtool, runCommand, writeTextFile, writeShellScript}:
 
 let
-  python = if nodejs ? python then nodejs.python else python2;
+  inherit (nodejs) python;
 
   # Create a tar wrapper that filters all the 'Ignoring unknown extended header keyword' noise
   tarWrapper = runCommand "tarWrapper" {} ''

pkgs/misc/base16-builder/node-packages.nix

@@ -6,7 +6,7 @@
 
 let
   nodeEnv = import ../../development/node-packages/node-env.nix {
-    inherit (pkgs) stdenv lib python2 runCommand writeTextFile writeShellScript;
+    inherit (pkgs) stdenv lib runCommand writeTextFile writeShellScript;
     inherit pkgs nodejs;
     libtool = if pkgs.stdenv.hostPlatform.isDarwin then pkgs.cctools or pkgs.darwin.cctools else null;
   };

pkgs/servers/mx-puppet-discord/node-composition.nix

@@ -13,7 +13,6 @@ let
     inherit (pkgs)
       stdenv
       lib
-      python2
       runCommand
       writeTextFile
       writeShellScript

pkgs/servers/web-apps/ethercalc/node-packages.nix

@@ -13,7 +13,6 @@ let
     inherit (pkgs)
       stdenv
       lib
-      python2
       runCommand
       writeTextFile
       writeShellScript

pkgs/tools/security/onlykey/onlykey.nix

@@ -13,7 +13,6 @@ let
     inherit (pkgs)
       stdenv
       lib
-      python2
       runCommand
       writeTextFile
       writeShellScript