Remove outdated comments (dev container was added in 202cc3c and then…

… removed in e201886)

CONTRIBUTING.md

@@ -10,21 +10,3 @@ In order to maintain a good level of quality, please ensure that your code:
 * Passes linting with pylint (https://www.pylint.org/)
 
 * Has relevant examples [here](examples/)
-
----
-## environment setup
-
-This project has a dev container definition - https://code.visualstudio.com/docs/remote/containers#
-
-If you have Docker and visual studio code installed all you need to do is open the repository in vs code and select "re-open in container" in the popup that appears in the bottom right. Dependencies and plugins will be automatically handled.
-
-
-### Tusk runner
-
-The development image has some quality of life scripts baked into it
-
-1. running `tusk format` Will run the black formatter on examples/ and locust_plugins/
-
-2. `tusk pylint` will run pylint against on examples/ and locust_plugins/
-
-3. `tusk test` will run the tox test suite in the 3.9 environment