Looks like there is no direct answer. Few of pointers :-
Please, have a look at https://docs.bmc.com/docs/display/public/bsa85/Deleting+a+folder%2C+group%2C+smart+group%2C+or+system++object to understand Deletion concepts.
Other reference :
Please, explain in more detail , what exactly you are doing and what problem you want to solve.
All Published CLI's are located at : https://docs.bmc.com/docs/display/public/bsacli85/Home
For individual job deletion : https://docs.bmc.com/docs/display/public/bsacli85/BatchJob+-+deleteJobByGroupAndName or
Please, let us know more exact use case and what is problem you are facing or need suggestion to resolve.
blcli_execute JobGroup deleteGroupByQualifiedName "/the/groupname"
blcli_execute JobGroup deleteGroupByQualifiedName "/FileDeploy/Testing"