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.