title: Add `sudo::remove_key`

doc:
  - audience: Runtime User
    description: |
      Pallet `Sudo` now has the ability to remove the sudo key via `remove_key`. This is a less-invasive way of rendering the sudo pallet useless without needing a code upgrade.

migrations:
  db: []

  runtime: []

crates:
  - name: pallet-sudo

host_functions: []