Remove unused wrap_errors decorator
Remove unused wrap_errors decorator

Only used by rescue extension in nova.

Change-Id: I3ade99405736bf8ffb8891a8d53c02905501ae44

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