unload gedis actors after package uninstall

[xmonader]

Make sure to remove gedis actors on package removal

[RafyAmgadBenjamin]

Fixed: PR https://github.com/threefoldtech/jumpscaleX_core/pull/471

[RafyAmgadBenjamin]

verification steps:

Loading the package

• j.servers.threebot.local_start_explorer(background=True)
• package_manager_gedis= j.clients.gedis.get(name="test29",port=8901, package_name="zerobot.packagemanager")
• package_manager_gedis.actors.package_manager.package_add(path = '/sandbox/code/github/threefoldtech/jumpscaleX_threebot/ThreeBotPackages/tfgrid/directory')
• test= j.clients.gedis.get(name="test30",port=8901, package_name="tfgrid.directory")
• test.reload()
• test.actors

Delete package

• package_manager_gedis.actors.package_manager.package_delete("tfgrid.directory")
• test.reload()
• test.actors

[RafyAmgadBenjamin]

this issue in branch development_reload_package

[Dinaamagdy]

verified on development branch