remove unused import
remove unused import

Signed-off-by: Andrew Bruce <9f3496284b4c2f106c6fd659e0e410c1210cf477@pivotal.io>

simonleung8/cli,markstgodard/cli,mcintyred/cli,hyenaspots/cli,hyenaspots/cli,cf-routing/cli,evanfarrar/cli,hyenaspots/cli,markstgodard/cli,evanfarrar/cli,fujitsu-cf/cli,mcintyred/cli,simonleung8/cli,hyenaspots/cli,cf-routing/cli,markstgodard/cli,fujitsu-cf/cli,cf-routing/cli,evanfarrar/cli,mcintyred/cli,evanfarrar/cli,simonleung8/cli,markstgodard/cli,cf-routing/cli,mcintyred/cli,fujitsu-cf/cli