Use nginx-static bucket instead of nginx
Use nginx-static bucket instead of nginx

- No need to use nginx unless someone gets confused.
- Easier to debug and cleaner code

[#157791342]

Signed-off-by: Tyler Phelan <5713437ebd3bcae14564c2baaa7816b900ed174c@pivotal.io>

cloudfoundry/buildpacks-ci,cloudfoundry/buildpacks-ci,cloudfoundry/buildpacks-ci,cloudfoundry/buildpacks-ci,cloudfoundry/buildpacks-ci