fix: remove coins not supported by ciphertrace

lib/plugins/wallet/dashd/dashd.js

@@ -126,10 +126,7 @@ function checkBlockchainStatus (cryptoCode) {
 }
 
 function getTxHashesByAddress (cryptoCode, address) {
-  checkCryptoCode(cryptoCode)
-    .then(() => fetch('listreceivedbyaddress', [0, true, true, true, address]))
-    .then(txsByAddress => Promise.all(_.forEach(id => fetch('getrawtransaction', [id]), _.head(txsByAddress).txids)))
-    .then(_.map(({ hash }) => hash))
+  throw new Error(`Transactions hash retrieval is not implemented for this coin!`)
 }
 
 module.exports = {