Fix phpcs warnings.

[shendy-a8c]

Fixes #

Description

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Product impact

• [ ] Added changelog entry (or does not apply)
• [ ] Will this PR affect WooCommerce Subscriptions? yes/no/tbc, add issue ref
• [ ] Will this PR affect WooCommerce Payments? yes/no/tbc, add issue ref
• [ ] Added deprecated functions, hooks or classes to the spreadsheet

[shendy-a8c]

Apparently all phpcs warnings have been resolved in base branch, so no change needed here.