remove reference to deprecated tool
remove reference to deprecated tool

Let's remove the reference to swift-temp-url since
it has been deprecated and add a link to the swift client.

Change-Id: I70d64bf90f23a0f48b238ae6a99ab86f87d028a1
Signed-off-by: Thiago da Silva <f23d94b2a735b6193d3882ae31308d2e41e8282b@redhat.com>

openstack/swift,psachin/swift,tipabu/swift,notmyname/swift,redbo/swift,psachin/swift,swiftstack/swift,matthewoliver/swift,nadeemsyed/swift,matthewoliver/swift,tipabu/swift,swiftstack/swift,psachin/swift,smerritt/swift,clayg/swift,nadeemsyed/swift,notmyname/swift,openstack/swift,tipabu/swift,nadeemsyed/swift,smerritt/swift,smerritt/swift,tipabu/swift,openstack/swift,notmyname/swift,clayg/swift,nadeemsyed/swift,swiftstack/swift,redbo/swift,openstack/swift,smerritt/swift,psachin/swift,clayg/swift,clayg/swift,matthewoliver/swift,matthewoliver/swift,notmyname/swift