feat: remove Amplience DC header logo from README

[mikedsharp]

Pull request checklist

Please check if your PR fulfils the following requirements:

• Code has been written in project defined style (npm run lint).
• Tests (npm test) for the changes have been added (for bug fixes / features).
• PR title and git commit messages conform to the conventionalcommits specification.

Pull request type

Please check the type of change your PR introduces:

• Bugfix
• Feature
• Code style update (formatting, renaming)
• Refactoring (no functional changes, no api changes)
• Build related changes
• Documentation content changes
• Other (please describe):

What is the current behavior?

• README.md contains the Amplience DC logo at top of document

What is the new behavior?

• Removes the Amplience DC logo from top of README.md

Does this introduce a breaking change?

• Yes
• No

Other information