docs: remove arguments and typo

[loopingz]

Description

Removed an argument from the doc that was removed by another commit prior: 041ba72776b3b4a7e72a60f14845b9536a49f20c

Related Issue

None

Motivation and Context

Got tricked into using removed image_pushes parameter

How Has This Been Tested?

Doc update

Types of changes

• [ ] Bug fix (non-breaking change which fixes an issue)
• [ ] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• [X] I have signed the Adobe Open Source CLA.
• [X] My code follows the code style of this project.
• [ ] My change requires a change to the documentation.
• [X] I have updated the documentation accordingly.
• [X] I have read the CONTRIBUTING document.
• [ ] I have added tests to cover my changes.
• [ ] All new and existing tests passed.