MQE-2032: Remove temporary solutions for MFTF 3.0 development needs

[jilu1]

Description

Fixed Issues (if relevant)

1. magento/magento2-functional-testing-framework#<issue_number>: Issue title
2. ...

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/verification tests (if applicable)
• All automated tests passed successfully (all builds on Travis CI are green)
• Changes to Framework doesn't have backward incompatible changes for tests or have related Pull Request with fixes to tests

[coveralls]

Coverage remained the same at 53.766% when pulling 7df1df8 on MQE-2032 into dd397ac on MFTF3.0.0-RC1.

[tomreece]

Once we merge this, we wont be able to trigger any more Jenkins builds until we run the upgrade scripts manually and commit those changes. Correct?

[jilu1]

Once we merge this, we wont be able to trigger any more Jenkins builds until we run the upgrade scripts manually and commit those changes. Correct?

Yes. I will wait at the very last to merge.