remove source quoting setting in adapter tests

[sdebruyn]

resolves #5836

Description

As discussed in #5836, the adapter tests should not override the quoting policies defined in the adapters. I removed all quoting policies from this the docs generate test.

Checklist

• I have read the contributing guide and understand what's expected of me
• I have signed the CLA
• I have run this code in development and it appears to resolve the stated issue
• This PR includes tests, or tests are not required/relevant for this PR
• I have opened an issue to add/update docs, or docs changes are not required/relevant for this PR
• I have run changie new to create a changelog entry

[sdebruyn]

I just had the same build failure in the dbt-sqlserver GH Actions as this one, something we can do about it or just ignore and retry?

[ChenyuLInx]

It looks like there's some issue regarding pulling down setup-tools, maybe just retry in a bit.

As for the change, they look good to me! @gshank what was the reason those quoting setting were added in the beginning, do we expect this to break tests in other adapter repos?

[gshank]

Setting the quoting was copied from the earlier integration tests. It's quite possible that it was originally there because we ran multiple adapter tests on the same test suite? I think we might want to check what this does to the tests in Redshift, BigQuery, and Snowflake before merging though. If it breaks those tests we'd have to quickly do PRs to fix.

[ChenyuLInx]

Created a test pr to test this change in dbt-bigquery repo

[ChenyuLInx]

The tests in test PR works as expected, so I think this is good to go. @sdebruyn Thanks for contributing it!!