Update Metadata update Go code to use different Couchbase collection for Metadata

[gopa-noaa]

Randy is re-designing the metadata collection and access for Couchbase. Once he is done, the new Couchbase metadata update scripts will need to be updated to use this collection. Also, the new collection settings need to be captured outside code. This location needs to be determined.

[github-actions]

This issue is stale because it has been open 90 days with no activity.

[gopa-noaa]

Closing this issue, since as per our decision to leave vxdata bucket as the production bucket
ref: #379
This task is not required anymore.