Remove livecheck blocks from disabled formulae

[samford]

• Have you followed the guidelines for contributing?
• Have you checked that there aren't other open pull requests for the same formula update/change?
• Have you built your formula locally with brew install --build-from-source <formula>, where <formula> is the name of the formula you're submitting?
• Is your test running fine brew test <formula>, where <formula> is the name of the formula you're submitting?
• Does your build pass brew audit --strict <formula> (after doing brew install <formula>)?

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With Homebrew/brew#9112 merged, disabled formulae are now automatically skipped if they don't contain a livecheck block. This PR removes livecheck blocks from some formulae that are disabled and it's appropriate for us to skip checking for new versions.