style: remove one enter

[firepunch]

What is the current behavior? (You can also link to an open issue here)
Fix

What is the new behavior (if this is a feature change)?
Remove one enter

Does this PR introduce a breaking change?
No

Please check if the PR fulfills these requirements

• [O] The commit message follows our guidelines: https://github.com/angular/angular.js/blob/master/CONTRIBUTING.md#commit-message-format
• Tests for the changes have been added (for bug fixes / features)
• Docs have been added / updated (for bug fixes / features)

Other information:

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[googlebot]

Thanks for your pull request. It looks like this may be your first contribution to a Google open source project. Before we can look at your pull request, you'll need to sign a Contributor License Agreement (CLA).

📝 Please visit https://cla.developers.google.com/ to sign.

Once you've signed, please reply here (e.g. I signed it!) and we'll verify. Thanks.

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• If you signed the CLA as a corporation, please let us know the company's name.

[gkalpak]

We can't merge this without a signed CLA...