Revert "VACMS-18736 Use updated Search.gov url when flipper is enabled"

[SnowboardTechie]

Summary

• No, this Reverts VACMS-18736 Use updated Search.gov url when flipper is enabled #18450 which will be removing a flag.
• The release of VACMS-18736 Use updated Search.gov url when flipper is enabled #18450 caused a production outage due to Search returning 503s when Flags were disabled and 429s when enabled.
• Slack conversation

Related issue(s)

Issue department-of-veterans-affairs/va.gov-cms#18736
Epic department-of-veterans-affairs/va.gov-cms#10767

Testing done

• This being a reversion, it will be removing added test code but reverting to a previously working search condition

Screenshots

Note: Optional

What areas of the site does it impact?

(Describe what parts of the site are impacted andifcode touched other areas)

Acceptance criteria

• I fixed|updated|added unit tests and integration tests for each feature (if applicable).
• No error nor warning in the console.
• Events are being sent to the appropriate logging solution
• Documentation has been updated (link to documentation)
• No sensitive information (i.e. PII/credentials/internal URLs/etc.) is captured in logging, hardcoded, or specs
• Feature/bug has a monitor built into Datadog (if applicable)
• If app impacted requires authentication, did you login to a local build and verify all authenticated routes work as expected
• I added a screenshot of the developed feature

Requested Feedback

(OPTIONAL)What should the reviewers know in addition to the above. Is there anything specific you wish the reviewer to assist with. Do you have any concerns with this PR, why?

[SnowboardTechie]

Issue was resolved with a manifest update.