Remove suds requirement
Remove suds requirement

Last usage of suds was removed in
https://review.openstack.org/#/c/33168/. suds is
meanwhile unmaintained and has pending security issues,
so better remove references to it.

Change-Id: I7e66a1b6e3a3189b07b30564f7b02f5e195944ff

phenoxim/cinder,Datera/cinder,Paul-Ezell/cinder-1,scality/cinder,rakeshmi/cinder,nexusriot/cinder,takeshineshiro/cinder,nexusriot/cinder,spring-week-topos/cinder-week,abusse/cinder,Hybrid-Cloud/cinder,redhat-openstack/cinder,Accelerite/cinder,abusse/cinder,JioCloud/cinder,eharney/cinder,duhzecca/cinder,winndows/cinder,Datera/cinder,hguemar/cinder,bswartz/cinder,Accelerite/cinder,scottdangelo/RemoveVolumeMangerLocks,cloudbau/cinder,Paul-Ezell/cinder-1,sasukeh/cinder,dims/cinder,hguemar/cinder,duhzecca/cinder,tlakshman26/cinder-bug-fix-volume-conversion-full,petrutlucian94/cinder,blueboxgroup/cinder,tlakshman26/cinder-new-branch,tlakshman26/cinder-bug-fix-volume-conversion-full,Nexenta/cinder,phenoxim/cinder,saeki-masaki/cinder,blueboxgroup/cinder,rickerc/cinder_audit,github-borat/cinder,manojhirway/ExistingImagesOnNFS,NeCTAR-RC/cinder,openstack/cinder,Akrog/cinder,ntt-sic/cinder,cloudbase/cinder,tlakshman26/cinder-https-changes,apporc/cinder,takeshineshiro/cinder,inkerra/cinder,sasukeh/cinder,redhat-openstack/cinder,Thingee/cinder,tlakshman26/cinder-https-changes,apporc/cinder,j-griffith/cinder,tlakshman26/cinder-new-branch,spring-week-topos/cinder-week,manojhirway/ExistingImagesOnNFS,JioCloud/cinder,github-borat/cinder,NeCTAR-RC/cinder,inkerra/cinder,NetApp/cinder,dims/cinder,alex8866/cinder,Nexenta/cinder,Thingee/cinder,rakeshmi/cinder,leilihh/cinder,CloudServer/cinder,ge0rgi/cinder,Thingee/cinder,j-griffith/cinder,bswartz/cinder,nikesh-mahalka/cinder,petrutlucian94/cinder,winndows/cinder,saeki-masaki/cinder,Hybrid-Cloud/cinder,potsmaster/cinder,scality/cinder,ntt-sic/cinder,potsmaster/cinder,maelnor/cinder,julianwang/cinder,scottdangelo/RemoveVolumeMangerLocks,cloudbase/cinder,rickerc/cinder_audit,mahak/cinder,NetApp/cinder,CloudServer/cinder,nikesh-mahalka/cinder,Akrog/cinder,openstack/cinder,mahak/cinder,cloudbau/cinder,leilihh/cinder,eharney/cinder,alex8866/cinder,maelnor/cinder,julianwang/cinder