Removed duplicate line and added comment on variable

[gelanivishal]

Description

Removed duplicate code and added comment on variable.

Fixed Issues (if relevant)

1. N/A

Manual testing scenarios

1. N/A

Contribution checklist

• Pull request has a meaningful description of its purpose
• All commits are accompanied by meaningful commit messages
• All new or changed code is covered with unit/integration tests (if applicable)
• All automated tests passed successfully (all builds on Travis CI are green)

[mzeis]

Hi @vgelani, thank you for your PR!

I would say we can also remove the second comment $_template line. What do you think?

[gelanivishal]

@mzeis Yes. I also think about it. Let me remove it.

[magento-engcom-team]

Hi @mzeis, thank you for the review.
ENGCOM-1592 has been created to process this Pull Request

[magento-engcom-team]

Hi @vgelani. Thank you for your contribution.
Changes from your Pull Request will be available with the upcoming 2.2.5 release.

Please, consider porting this solution across release lines.
You may use Porting tool to port commits automatically.