Bump licensing library

Removes the billing profile flow which is now handled on the back-end.

Signed-off-by: Daniel Hiltgen <daniel.hiltgen@docker.com>
(cherry picked from commit 8e565d0)
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>

Author: Daniel Hiltgen

vendor.conf

@@ -22,7 +22,7 @@ github.com/docker/go-events 9461782956ad83b30282bf90e31fa6a70c255ba9
 github.com/docker/go-metrics d466d4f6fd960e01820085bd7e1a24426ee7ef18
 github.com/docker/go-units 47565b4f722fb6ceae66b95f853feed578a4a51c # v0.3.3
 github.com/docker/libtrust 9cbd2a1374f46905c68a4eb3694a130610adc62a
-github.com/docker/licensing f2eae57157a06681b024f1690923d03e414179a0
+github.com/docker/licensing 1c117a1720cb413dd6a101d36a6c567b1ccb90fe
 github.com/docker/swarmkit 9f271c2963d18a7c60d2c4001fb418ca4037df19
 github.com/flynn-archive/go-shlex 3f9db97f856818214da2e1057f8ad84803971cff
 github.com/ghodss/yaml 0ca9ea5df5451ffdf184b4428c902747c2c11cd7 # v1.0.0