fix cancel subscription on delete user

services/web/app/coffee/Features/User/UserDeleter.coffee

@@ -21,7 +21,7 @@ module.exports =
 				(cb)->
 					ProjectDeleter.deleteUsersProjects user._id, cb
 				(cb)->
-					SubscriptionHandler.cancelSubscription user._id, cb
+					SubscriptionHandler.cancelSubscription user, cb
 				(cb)->
 					user.remove cb
 			], (err)->

services/web/test/UnitTests/coffee/User/UserDeleterTests.coffee

@@ -49,5 +49,5 @@ describe "UserDeleter", ->
 
 		it "should unsubscribe the user", (done)->
 			@UserDeleter.deleteUser @user._id, (err)=>
-				@SubscriptionHandler.cancelSubscription.calledWith(@user._id).should.equal true
+				@SubscriptionHandler.cancelSubscription.calledWith(@user).should.equal true
 				done()