* Revert "json post base path bug fixed (#2647)"
This reverts commit 2c88e53ba0.
* Revert "Group Management of Subscription Clients"
* Revert "fix getSubGroupClients for enable/disable and edit clients."
* Revert "Enhance database initialization in db.go (#2645)"
This reverts commit fc8cce9f90.
* Revert "Add checkpoint handling in CloseDB function (#2646)"
This reverts commit 13b1e4c7e6.
* Revert "Improved database model migration and added indexing (#2655)"
This reverts commit cb6ba20865.