cleanup, mostly possible now when we don't need to support jython 2.2
cleanup, mostly possible now when we don't need to support jython 2.2

Senseg/robotframework,userzimmermann/robotframework-python3,userzimmermann/robotframework-python3,Senseg/robotframework,userzimmermann/robotframework-python3,Senseg/robotframework,Senseg/robotframework,userzimmermann/robotframework-python3,Senseg/robotframework,userzimmermann/robotframework-python3