message: [cli] Fix vc secret rm
  Fixes a regression from the the refactor in that was causing the following error:
  ```
  Error! client.prompt is not a function
  ```
diff: @@ -226,7 +226,8 @@ async function run({ output, contextName, currentTeam, client }) {
  if (theSecret) {
  const yes =
  - argv.yes || (await readConfirmation(output, theSecret, contextName));
  + argv.yes ||
  + (await readConfirmation(client, output, theSecret, contextName));
  if (!yes) {
  output.print(`Aborted. Secret not deleted.\n`);
  return 0;
  @@ -353,7 +354,7 @@ async function run({ output, contextName, currentTeam, client }) {
  return 2;
  }
  -async function readConfirmation(output, secret, contextName) {
  +async function readConfirmation(client, output, secret, contextName) {
  const time = chalk.gray(`${ms(new Date() - new Date(secret.created))} ago`);
  const tbl = table([[chalk.bold(secret.name), time]], {
  align: ['r', 'l'],
  @@ -367,5 +368,5 @@ async function readConfirmation(output, secret, contextName) {
  );
  output.print(` ${tbl}\n`);
  - return confirm(`${chalk.bold.red('Are you sure?')}`, false);
  + return confirm(client, `${chalk.bold.red('Are you sure?')}`, false);
  }
  