diego-pipeline: remove BOSH CLI V1 and other unused tools
diego-pipeline: remove BOSH CLI V1 and other unused tools

[#155585015]

Signed-off-by: Charlie Vieth <ea3f0b85bda195c42ceb97da0f596f9d6d014e12@pivotal.io>

cloudfoundry-incubator/diego-dockerfiles,cloudfoundry-incubator/diego-dockerfiles