How to delete Packages in Orchestrator?
Packages can be deleted from Orchestrator feed, by manually deleting the package from Orchestrator UI or by using the below post API - /odata/Processes('{Id}')
If the packages have been downloaded to Robot machine, the deletion has to be performed manually. The extracted version of the package is found at C:\Users\your username\.nuget\packages location .
The inactive versions of a package can be deleted from the Orchestrator feed by using the "Remove All Inactive" option. Refer the below screenshot.
NOTE: If a package is currently being used, another version of the same package needs to be made as current version after which this version will be inactive and it should now possible to delete it.