ci: delete routing-acceptance
ci: delete routing-acceptance

* we do all our acceptance on toolsmiths pooled cf-d envs now

[#171471989](https://www.pivotaltracker.com/story/show/171471989)

Co-authored-by: Clay Kauzlaric <b161dd152ba17987305414195d30c2af856d229f@pivotal.io>

cloudfoundry-incubator/cf-routing-release,cloudfoundry-incubator/cf-routing-release,cloudfoundry-incubator/cf-routing-release