Replace Nix-based ansible-lint

.drone.yml

@@ -4,6 +4,7 @@ type: docker
 name: ansible
 steps:
   - name: ansible-lint
-    image: nixos/nix:2.11.0
+    image: python:3.10.7
     commands:
-      - nix run -c ansible-lint ansible
+      - pip install -r ansible/requirements.txt > /dev/null 2> /dev/null
+      - ansible-lint ansible

ansible/README.md

@@ -2,10 +2,10 @@
 
 ## Ansible Control Node Setup
 
-Run in repository root to use `ansible-*` commands:
+In a Python 3 environment (perhaps a venv), run:
 
 ```
-nix run -c $SHELL
+pip install -r requirements.txt
 ```
 
 ## `misc.yaml`

ansible/requirements.txt

@@ -0,0 +1,2 @@
+ansible==6.4.0
+ansible-lint==6.5.2

default.nix

@@ -1,13 +0,0 @@
-{
-  pkgs ? import <nixpkgs> {}
-}:
-let
-  paths = with pkgs; [
-    ansible
-    ansible-lint
-  ];
-in
-  pkgs.buildEnv {
-    name = "infrastructure-env";
-    paths = paths;
-  }