Don't utf8 encode urls.
Don't utf8 encode urls.

This is not needed since already done by requests.

(and it was buggy with py3).

Change-Id: I9505c56be2f53eb8071aea3d5fb9d8caa9508e34

sohonetlabs/python-swiftclient,openstack/python-swiftclient,varunarya10/python-swiftclient,VyacheslavHashov/python-swiftclient,iostackproject/IO-Bandwidth-Differentiation-Client,iostackproject/IO-Bandwidth-Differentiation-Client,pratikmallya/python-swiftclient,JioCloud/python-swiftclient,JioCloud/python-swiftclient,jeseem/python-swiftclient,sohonetlabs/python-swiftclient,VyacheslavHashov/python-swiftclient,openstack/python-swiftclient,ironsmile/python-swiftclient,pratikmallya/python-swiftclient,krnflake/python-hubicclient,varunarya10/python-swiftclient,jeseem/python-swiftclient,ironsmile/python-swiftclient