workflows/tests: remove hadolint.
workflows/tests: remove hadolint.

It's failing to install.

Homebrew/brew,EricFromCanada/brew,EricFromCanada/brew,vitorgalvao/brew,JCount/brew,claui/brew,EricFromCanada/brew,vitorgalvao/brew,Homebrew/brew,MikeMcQuaid/brew,EricFromCanada/brew,JCount/brew,Homebrew/brew,claui/brew,MikeMcQuaid/brew,claui/brew,sjackman/homebrew,MikeMcQuaid/brew,sjackman/homebrew,nandub/brew,vitorgalvao/brew,nandub/brew,nandub/brew,sjackman/homebrew,Homebrew/brew,claui/brew,nandub/brew,JCount/brew,vitorgalvao/brew,sjackman/homebrew,JCount/brew,MikeMcQuaid/brew