Remove python version 2 pkgs from bindep
Remove python version 2 pkgs from bindep

Follow up to change: Iee5ac3a778f8106b7f2e96cd9294e2da28fe4def

Since Python version 2 is not supported we can remove these.

Change-Id: I79a4b189a7fb220a97d83601002339ebfae45104

openstack/ironic-lib