Remove unneeded import
Remove unneeded import

spicykaiju/pyvmomi,higebu/pyvmomi,davidmontgom/pyvmomi,serialdoom/pyvmomi,Infinidat/pyvmomi,michaelrice/pyvmomi,virtdevninja/pyvmomi-ce,rhadman/pyvmomi,gdowding/pyvmomi,tianhao64/pyvmomi,borland667/pyvmomi,y12uc231/pyvmomi,vmware/pyvmomi,chenpiao/pyvmomi,alexkolar/pyvmomi,hartsock/pyvmomi