Enable CI Minutes-related FFs by default

What does this MR do?

We want to enable CI Minutes-related Feature Flags by default and drop the associated code following the plan described in #218434 (closed)

This MR enables them by default as a preparation step.

Both FFs are enabled globally on prod via chatops: #218434 (comment 348315840)

Dashboards data: #218434 (comment 348420498)

Does this MR meet the acceptance criteria?

Conformity

• [-] Changelog entry
• [-] Documentation (if required)
• Code review guidelines
• Merge request performance guidelines
• Style guides
• [-] Database guides
• [-] Separation of EE specific content

Availability and Testing

N/A

Security

If this MR contains changes to processing or storing of credentials or tokens, authorization and authentication methods and other items described in the security review guidelines:

• [-] Label as security and @ mention @gitlab-com/gl-security/appsec
• [-] The MR includes necessary changes to maintain consistency between UI, API, email, or other methods
• [-] Security reports checked/validated by a reviewer from the AppSec team

Relates to #218434 (closed)