How to drop an anchor

import { LedgerSdk } from '@minka/ledger-sdk'
 
const sdk = new LedgerSdk({
    server: '<your ledger URL>',
    signer: {
        format: 'ed25519-raw',
        public: '<your ledger public key>'
    }
})
 
await sdk.anchor
    .drop('tel-123-usd')
    .hash()
    .sign([{ keyPair: yourKeyPair }])
    .send()