Remove info about dependency manipulation (#1480)

This causes way more harm than help. We will no longer support this type of modification.

README.md

@@ -535,54 +535,6 @@ def test_ts0121_signature(assert_signature_matches_quirk):
     assert_signature_matches_quirk(zhaquirks.tuya.ts0121_plug.Plug, signature)
 ```
 
-# Testing new releases
-
-Testing a new release of the zha-quirks package before it is released in Home Assistant.
-
-If you are using Supervised Home Assistant (formerly known as the Hassio/Hass.io distro):
-
-- Add <https://github.com/home-assistant/hassio-addons-development> as "add-on" repository
-- Install "Custom deps deployment" addon
-- Update config like:
-
-  ```yml
-  pypi:
-    - zha-quirks==0.0.38
-  apk: []
-  ```
-
-  where 0.0.38 is the new version
-
-- Start the addon
-
-If you are instead using some custom python installation of Home Assistant then do this:
-
-- Activate your python virtual env
-- Update package with `pip`
-
-  ```bash
-  pip install zha-quirks==0.0.38
-  ```
-
-# Testing quirks in development in docker based install
-
-If you are using Supervised Home Assistant (formerly known as the Hassio/Hass.io distro) you will need to get access to the home-assistant docker container. Directions below are given for using the portainer add-on to do this, there are other methods as well not covered here.
-
-- Install the portainer add-on (<https://github.com/hassio-addons/addon-portainer>) from Home Assistant Community Add-ons.
-- Follow the add-on documentation to un-hide the home-assistant container (<https://github.com/hassio-addons/addon-portainer/blob/master/portainer/DOCS.md>)
-- Stage the update quirk in a directory within your config directory
-- Use portainer to access a console in the home-assistant container:
-
-  <img src="https://user-images.githubusercontent.com/11084412/88719260-fdfa7700-d0f0-11ea-8791-88ed3e26915d.png" width=400 >
-
-- Access the quirks directory
-  - on HA > 0.113: /usr/local/lib/python3.8/site-packages/zhaquirks/
-  - on HA < 0.113: /usr/local/lib/python3.7/site-packages/zhaquirks/
-- Copy updated/new quirk to zhaquirks directory: `cp -a /config/temp/NEW_QUIRK ./`
-- Remove the **pycache** folder so it is regenerated `rm -rf ./__pycache__/`
-- Close out the console and restart HA.
-- Note: The added/update quirk will not survive a HA version update.
-
 # Thanks
 
 - Special thanks to damarco for the majority of the device tracker code