[TASK] Fix Groups Documentation

[bsdworkin]

Description

Please provide a detailed description of the issue.
Example: As a (user or developer), I want to be able to (feature or function) so that (reason to implement).

The Groups documentation is not current and can cause issues/confusion with making certain requests. In order to keep things fluid we should fix these

Acceptance Criteria

Please describe what it means for this issue to be considered complete.

• Cleanup groups GET requests by removing the body in swagger docs and ensure all headers are form enabled within swagger
• Fix api/groups/{groupID}/posts POST documentation by adding in body and groupID to be form enabled within swagger
• Change auth bearer token in swagger to no longer need "Bearer" prefix
• Remove deprecated internal ID handling for the service account implementation
• Remove need for having to add APP string header for every request in swagger