remove_location: TxDescriptor<
    {
        cid: { digest: FixedSizeBinary<4>; geohash: FixedSizeBinary<5> };
        location: { lat: bigint; lon: bigint };
    },
>

Remove an existing meetup location from the community with cid.

May only be called from T::CommunityMaster.

Todo: Replace T::CommunityMaster with community governance: #137.