Removed double occurrences from files

[mage2pratik]

Description

Removed double occurrences from Magento modules.

Fixed Issues (if relevant)

N/A

Manual testing scenarios

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)

[magento-engcom-team]

Hi @mage2pratik. Thank you for your contribution
Here is some useful tips how you can test your changes using Magento test environment.
Add the comment under your pull request to deploy test or vanilla Magento instance:

• @magento-engcom-team give me test instance - deploy test instance based on PR changes
• @magento-engcom-team give me {$VERSION} instance - deploy vanilla Magento instance

For more details, please, review the Magento Contributor Assistant documentation

[sidolov]

@magento-engcom-team combine 17079

[magento-engcom-team]

Hi @sidolov. Thank you for your request. I'm working on combining the pull requests for you

[magento-engcom-team]

@mage2pratik all pull requests have been successfully combined together:

• merged Edited to correct a couple of spelling mistakes #17079: Edited to correct a couple of spelling mistakes

[magento-engcom-team]

Hi @mage2pratik. Thank you for your contribution.
We will aim to release these changes as part of 2.3.0.
Please check the release notes for final confirmation.