[ADAP-370] [Feature] Remove integration test references from adapter

[VersusFacit]

Is this your first time submitting a feature request?

• [X] I have read the expectations for open source contributors
• [X] I have searched the existing issues, and I could not find an existing issue for this feature
• [X] I am requesting a straightforward extension of existing dbt-spark functionality, rather than a Big Idea better suited to a discussion

Describe the feature

As part of test conversions, we need to take this step now that all tests/integration conversions are complete.