Remove unused js file in Lighthouse book

[jimmygchen]

Issue Addressed

Remove unused js file in Lighthouse book.

The usage of this deposit file was removed in #1742, and is no longer used anywhere in the Lighthouse book.

[michaelsproul]

Wowee, that's an old one!

[michaelsproul]

@Mergifyio queue

[mergify]

queue

🛑 The pull request has been removed from the queue default

Pull request #5164 has been dequeued by a dequeue command.

You can take a look at Queue: Embarked in merge queue check runs for more details.

In case of a failure due to a flaky test, you should first retrigger the CI.
Then, re-embark the pull request into the merge queue by posting the comment
@mergifyio refresh on the pull request.

[michaelsproul]

@Mergifyio dequeue

[mergify]

dequeue

✅ The pull request has been removed from the queue default

[realbigsean]

@Mergifyio requeue

[mergify]

requeue

✅ This pull request will be re-embarked automatically

The followup queue command will be automatically executed to re-embark the pull request

[mergify]

queue

🛑 The pull request has been removed from the queue default

The queue conditions cannot be satisfied due to failing checks.

You can take a look at Queue: Embarked in merge queue check runs for more details.

In case of a failure due to a flaky test, you should first retrigger the CI.
Then, re-embark the pull request into the merge queue by posting the comment
@mergifyio refresh on the pull request.

[realbigsean]

@Mergifyio requeue

[mergify]

requeue

✅ This pull request will be re-embarked automatically

The followup queue command will be automatically executed to re-embark the pull request

[mergify]

queue

✅ The pull request has been merged automatically

The pull request has been merged automatically at 795c577