revert(amazonq): generate scanName from workspace config #6679

[ctlai95]

This reverts commit 62d3ec1.

Problem

Scan name change is causing unexpected behavior from the service.

Solution

Temporarily revert this change

---

• Treat all work as PUBLIC. Private feature/x branches will not be squash-merged at release time.
• Your code changes must meet the guidelines in CONTRIBUTING.md.
• License: I confirm that my contribution is made under the terms of the Apache 2.0 license.