Remove unused variable
Remove unused variable

o cinder/api/openstack/wsgi.py:_CONTENT_TYPE_MAP = {

  This variable was added in the following commit.

    commit c53d8e343e50d4cf7ea9a6a81258848c2d893bfb
    Author: Jenkins <jenkins@review.openstack.org>
    Date:   Thu May 3 10:48:26 2012 -0700

        Initial fork out of Nova.

  But there is no evidence that was used.

Change-Id: I6af64126cf1747ded3369a6237a4cb6cfd250922

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