Fix mkdocs not working in devcontainer shell

Author: rjackson

Diff for: .devcontainer/devcontainer.json

@@ -4,9 +4,7 @@
 	"name": "Python 3",
 	// Or use a Dockerfile or Docker Compose file. More info: https://containers.dev/guide/dockerfile
 	"image": "mcr.microsoft.com/devcontainers/python:0-3.11",
-	"features": {
-		"ghcr.io/devcontainers-contrib/features/mkdocs:2": {}
-	},
+	"features": {},
 	// Features to add to the dev container. More info: https://containers.dev/features.
 	// "features": {},
 	// Use 'forwardPorts' to make a list of ports inside the container available locally.