qisys.archive: remove dead code
qisys.archive: remove dead code

We no longer support Python2.6

Change-Id: I13cf39ed26c48386425fc887ea6d4bff08703c34
Reviewed-on: http://gerrit.aldebaran.lan/41210
Tested-by: gerrit
Reviewed-by: dmerejkowsky <1e4b13000fa8777df4cefd2fd8215187e3deb062@aldebaran-robotics.com>

aldebaran/qibuild,dmerejkowsky/qibuild,aldebaran/qibuild,aldebaran/qibuild,dmerejkowsky/qibuild,dmerejkowsky/qibuild,dmerejkowsky/qibuild,dmerejkowsky/qibuild,aldebaran/qibuild