Remove unused variable
Remove unused variable

Change-Id: I094ffb56c722d312272abf8fb1ba2042ccde82a5

cloudfoundry-incubator/garden-linux,cloudfoundry-incubator/garden-linux,tsaleh/garden,tsaleh/garden,shashidharatd/garden-linux,cloudfoundry-incubator/garden,shashidharatd/garden-linux,savaki/garden,savaki/garden,shashidharatd/garden-linux,tangfeixiong/garden,cloudfoundry-incubator/garden,cloudfoundry-incubator/garden-linux,shashidharatd/garden-linux,tangfeixiong/garden