agent: Send non-blocking uninstalled notification without python
agent: Send non-blocking uninstalled notification without python

Remove the inline python script to send the non-blocking uninstalled
message and replace it with echo + dd

Change-Id: I8b2f84d56377ba4ba42ee206966b7b68deae7fc9
Signed-off-by: Vinzenz Feenstra <600e8a10eeff4f08c65e2cf493cd851025e86fd2@redhat.com>

oVirt/ovirt-guest-agent,silenceli/oga-windows,edwardbadboy/ovirtagent-ubuntu,silenceli/oga-windows,silenceli/oga-windows,edwardbadboy/ovirtagent-ubuntu,edwardbadboy/ovirtagent-ubuntu,edwardbadboy/ovirtagent-ubuntu,oVirt/ovirt-guest-agent,oVirt/ovirt-guest-agent,oVirt/ovirt-guest-agent,silenceli/oga-windows