build(docs-infra): switch docs examples to Ivy (#36143)

The docs examples are switched to Ivy. On CI, the tests are run with
both Ivy and ViewEngine.

Partially addresses:
[FW-1609](https://angular-team.atlassian.net/browse/FW-1609)

PR Close #36143

aio/content/examples/dependency-injection/example-config.json

@@ -1,13 +0,0 @@
-{
-  "e2e": [
-    {
-      "cmd": "yarn",
-      "args": [
-        "e2e",
-        "--protractor-config=e2e/protractor-puppeteer.conf.js",
-        "--no-webdriver-update",
-        "--port={PORT}"
-      ]
-    }
-  ]
-}