_ci_ Remove unneeded homebrew deps

[ianconsolata]

We don't need these homebrew deps now that we install a prebuilt binary rather than building from source.

Additionally, the bzr package was disabled.

Checklist

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• PR title is in the form of of <PR type>: <area>: <change being made>
  • example: fix: mempool: Introduce a cache for valid signatures
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