macOS: Homebrew tap homebrew/cask-drivers deprecated

[brevilo]

Environment

• Application version: n/a
• Operating system: macOS
• Issue occurrency: always

Expected behaviour

The documented installation process via Homebrew works.

Current behaviour

Homebrew tap homebrew/cask-drivers can't be used since it got deprecated in favor of homebrew/cask quite a while ago.

Steps for reproduction

% brew tap homebrew/cask-drivers
Error: homebrew/cask-drivers was deprecated. This tap is now empty and all its contents were either deleted or migrated.

Solution

• Migrate cask to stock/built-in "tap".
• Update documentation (drop brew tap statement)