chore: remove lockfile from Helloworld

[blakef]

Accidentally shipped, removing.

Summary:

Changelog: [Internal]

Test Plan:

[facebook-github-bot]

@blakef has imported this pull request. If you are a Meta employee, you can view this diff on Phabricator.

[analysis-bot]

Platform	Engine	Arch	Size (bytes)	Diff
android	hermes	arm64-v8a	20,478,738	+2
android	hermes	armeabi-v7a	n/a	--
android	hermes	x86	n/a	--
android	hermes	x86_64	n/a	--
android	jsc	arm64-v8a	23,676,519	-2
android	jsc	armeabi-v7a	n/a	--
android	jsc	x86	n/a	--
android	jsc	x86_64	n/a	--

Base commit: 4273571
Branch: main

[facebook-github-bot]

@blakef merged this pull request in 9ba600c.

[github-actions]

This pull request was successfully merged by @blakef in 9ba600c.

^{When will my fix make it into a release? | How to file a pick request?}