message: fix(common): remove duplicate deepForEach
  This commit removes a duplicate deepForEach
  function from url.ts. It is also in the
  preconnect_link_checker, where it is actually
  used.
  PR Close
diff: @@ -17,12 +17,6 @@ export function isAbsoluteUrl(src: string): boolean {
  return /^https?:\/\//.test(src);
  }
  -// Invokes a callback for each element in the array. Also invokes a callback
  -// recursively for each nested array.
  -export function deepForEach<T>(input: (T|any[])[], fn: (value: T) => void): void {
  - input.forEach(value => Array.isArray(value) ? deepForEach(value, fn) : fn(value));
  -}
  -
  // Given a URL, extract the hostname part.
  // If a URL is a relative one - the URL is returned as is.
  export function extractHostname(url: string): string {
  