update

ts/npmci.clean.ts

@@ -4,9 +4,7 @@ import * as paths from './npmci.paths'
 /**
  * cleans npmci config files
  */
-export let clean = () => {
-    let done = plugins.q.defer()
-    plugins.smartfile.fs.removeSync(paths.NpmciPackageConfig)
-    done.resolve()
-    return done.promise
+export let clean = async (): Promise<void> => {
+  plugins.smartfile.fs.removeSync(paths.NpmciPackageConfig)
+  return
 }