Remove private launchHandler method in main.go
Remove private launchHandler method in main.go

This delegation feels unnecessary for such a simple app, and the private
method had so many arguments that it made it more difficult to read and
wire in a new handler.

cloudfoundry-incubator/cf-networking-release,cloudfoundry-incubator/cf-networking-release,cloudfoundry-incubator/cf-networking-release,cloudfoundry-incubator/cf-networking-release