message: chore(sdk-api): remove moment
  replaces 1 line & completely removes dep on moment js
  Ticket:
diff: @@ -47,7 +47,6 @@ import {
  ExtendTokenOptions,
  GetSharingKeyOptions,
  } from './types';
  -import moment = require('moment');
  import pjson = require('../package.json');
  import { decrypt, encrypt } from './encrypt';
  import { sanitizeLegacyPath } from './bip32path';
  @@ -482,7 +481,10 @@ export abstract class BitGoAPI {
  const result = await (this._proxy ? resultPromise.proxy(this._proxy) : resultPromise);
  BitGoAPI._constants[env] = result.body.constants;
  - BitGoAPI._constantsExpire[env] = moment.utc().add(result.body.ttl, 'second').toDate();
  + if (result.body?.ttl && typeof result.body?.ttl === 'number') {
  + BitGoAPI._constantsExpire[env] = new Date(new Date().getTime() + (result.body.ttl as number) * 1000);
  + }
  +
  return BitGoAPI._constants[env];
  }
  