fix(build): remove comment

[MDarmawan]

Short Description: Short explanation/description of PR (or issue/task)

PR Checklist

Please make sure that your PR fulfills the following requirements:

• The commit message follows the Angular Commit Message Guidelines.
• I have performed a self-review of my changes
• Tests for the changes have been added (for bug fixes / features)
• Docs have been added / updated (for bug fixes / features)
• My code/changes are commented (especially hard-to-understand areas) if they were not autogenerated
• I have written/updated new integration tests for the core changes or new/updated tests not necessary (test/integration/key-protect.v2.test.js)
• I have posted test results from local tests where relevant, and made sure the TravisCI tests succeeded

Current vs new behavior

Does this PR introduce a breaking change?

• Yes
• No

Other information

Test Results

Test results may be run by the TravisCI build. If so, please verify whether they are running properly.

Dependencies

Is anything changing with respect to dependencies (i.e. package.json)? Explain that here and why they were changed.

[MDarmawan]

🎉 This PR is included in version 0.4.2 🎉

The release is available on:

• npm package (@latest dist-tag)
• GitHub release

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