removed left-pad module (#218)

src/currencyservice/client.js

@@ -46,7 +46,7 @@ const request = {
 };
 
 function _moneyToString (m) {
-  return `${m.units}.${leftPad(m.nanos, 9, '0')} ${m.currency_code}`;
+  return `${m.units}.${m.nanos.toString().padStart(9,'0')} ${m.currency_code}`;
 }
 
 client.getSupportedCurrencies({}, (err, response) => {

src/currencyservice/package.json

@@ -16,7 +16,6 @@
     "async": "^1.5.2",
     "google-protobuf": "^3.0.0",
     "grpc": "^1.0.0",
-    "left-pad": "^1.3.0",
     "pino": "^5.6.2",
     "request": "^2.87.0",
     "xml2js": "^0.4.19"