fix: GoogleAdsError missing using generator version after 1.3.0 (#3)

[PR](googleapis/gapic-generator-typescript#878) within
updated gapic-generator-typescript version 1.4.0

Committer: @summer-ji-eng
PiperOrigin-RevId: 375759421

Source-Link: googleapis/googleapis@95fa72f

Source-Link: googleapis/googleapis-gen@f40a343

packages/google-cloud-essentialcontacts/linkinator.config.json

@@ -1,9 +1,6 @@
 {
   "recurse": true,
   "skip": [
-    "https://github.com/googleapis/nodejs-essential-contacts/blob/master/samples/quickstart.js",
-    "https://github.com/googleapis/nodejs-essential-contacts/blob/master/CHANGELOG.md",
-    "https://github.com/googleapis/nodejs-essential-contacts/tree/master/samples",
     "https://codecov.io/gh/googleapis/",
     "www.googleapis.com",
     "img.shields.io"