chore: remove BIP141 (SegWit) and BIP341 (Taproot) support

[xdustinface]

The Dash blockchain does not support them and as far as i know there are no plans to support those BIPs so having this code around doesn't make much sense imo.

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[github-actions]

This PR has merge conflicts with the base branch. Please rebase or merge the base branch into your branch to resolve them.