Remove setup.py

[cdce8p]

Proposed change

With the update to pip>=21.0, it's no longer needed for editable installs.
https://pip.pypa.io/en/stable/news/#id50
Ref: #59769

PR for frontend: home-assistant/frontend#11593

Type of change

• Dependency upgrade
• Bugfix (non-breaking change which fixes an issue)
• New integration (thank you!)
• New feature (which adds functionality to an existing integration)
• Breaking change (fix/feature causing existing functionality to break)
• Code quality improvements to existing code or addition of tests

Additional information

• This PR fixes or closes issue: fixes #
• This PR is related to issue:
• Link to documentation pull request:

Checklist

• The code change is tested and works locally.
• Local tests pass. Your PR cannot be merged unless tests pass
• There is no commented out code in this PR.
• I have followed the development checklist
• The code has been formatted using Black (black --fast homeassistant tests)
• Tests have been added to verify that the new code works.

If user exposed functionality or configuration variables are added/changed:

• Documentation added/updated for www.home-assistant.io

If the code communicates with devices, web services, or third-party tools:

• The manifest file has all fields filled out correctly.
  Updated and included derived files by running: python3 -m script.hassfest.
• New or updated dependencies have been added to requirements_all.txt.
  Updated by running python3 -m script.gen_requirements_all.
• For the updated dependencies - a link to the changelog, or at minimum a diff between library versions is added to the PR description.
• Untested files have been added to .coveragerc.

The integration reached or maintains the following Integration Quality Scale:

• No score or internal
• 🥈 Silver
• 🥇 Gold
• 🏆 Platinum

To help with the load of incoming pull requests:

• I have reviewed two other open pull requests in this repository.

[frenck]

Let's not until we have at least 1 successful night build without issues.

[ludeeus]

This file is used by https://github.com/home-assistant/core/blob/dev/.github/workflows/builder.yml#L40-L49

[cdce8p]

This file is used by https://github.com/home-assistant/core/blob/dev/.github/workflows/builder.yml#L40-L49

Opened home-assistant/actions#60 to fix the version actions.

Action has been updated

[cdce8p]

The action has been updated and as far as I can tell, the nightly builds are successful.
@frenck This PR is be ready IMO. If you are more comfortable with waiting a bit longer, that would be fine for me too.

[frenck]

Thanks, @cdce8p 👍