PROD-1828: Cleanup config vars for preview in Admin-UI

[eastandwestwind]

Closes https://ethyca.atlassian.net/browse/PROD-1828

Description Of Changes

Removes unneeded configs for preview mode

Code Changes

• Remove debug logging in preview mode
• Remove unneeded fidesPreviewMode env var

Steps to Confirm

• Confirm no regressions in preview mode in Admin-UI

Pre-Merge Checklist

• All CI Pipelines Succeeded
• Documentation:
  • documentation complete, PR opened in fidesdocs
  • documentation issue created in fidesdocs
• Issue Requirements are Met
• Relevant Follow-Up Issues Created
• Update CHANGELOG.md
• For API changes, the Postman collection has been updated

[vercel]

The latest updates on your projects. Learn more about Vercel for Git ↗︎

1 Ignored Deployment

Name	Status	Preview	Comments	Updated (UTC)
fides-plus-nightly	⬜️ Ignored (Inspect)	Visit Preview		Mar 27, 2024 6:47am

[cypress]

Passing run #6882 ↗︎

0	4	0	0	0
⚠️ You've recorded test results over your free plan limit. Upgrade your plan to view test results.

Details:

Merge c95e8d4 into e4ec5f7...
Project: fides	Commit: c0992abf30 ℹ️
Status: Passed	Duration: 00:34 💡
Started: Mar 27, 2024 6:57 AM	Ended: Mar 27, 2024 6:58 AM

Review all test suite changes for PR #4745 ↗︎

[lucanovera]

Everything looks good. It's so nice when you get to make the codebase smaller.

[eastandwestwind]

Noting that the failing test cannot be replicated locally:

 1) localizes in the user selected locale (es)
      when ?fides_locale override param is set to an available locale (es)