[gitpod-db] Move telemetry queries out of Global ORM layer

[Pothulapati]

Is your feature request related to a problem? Please describe

Currently, Telemetry queries are all part of the global ORM layer which are then called by the
telemetry API. This is not a requirement at all, and can be separated into its metric-central DB
facade or directly use and access the DB

Describe the behaviour you'd like

Global ORM layer should be specific to application queries.

Describe alternatives you've considered

Additional context

• [telemetry] Add Active users #12668 (comment)

[stale]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.