Deletes a specific user group.

This endpoint deletes a specific user group, helping users remove unused or unnecessary groups from the system.</br></br>Key features include:</br></br>- Clear success messaging: Returns a 204 success code with a confirmation message indicating the successful completion of the requested action.</br>- Comprehensive error handling: Returns 400 and 404 error codes with clear descriptions when requests fail.</br>- Efficient lifecycle management: Facilitates the removal of a user group, helping maintain a clean and organized system.</br>- Targeted data deletion: Utilizes the userGroupId parameter to delete the specified user group, ensuring precise removal with enhanced control and accuracy.