Remove sunday trigger for deploying edge
Remove sunday trigger for deploying edge

- This causes a circle of triggers for the deploy-edge job which concourse does not like

[#158464533]

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

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