config: simplify blobstore config
config: simplify blobstore config

erjohnso/bosh-google-cpi-release,cloudfoundry-incubator/bosh-google-cpi-release,erjohnso/bosh-google-cpi-release,erjohnso/bosh-google-cpi-release,evandbrown/bosh-google-cpi-release,evandbrown/bosh-google-cpi-release,evandbrown/bosh-google-cpi-release,erjohnso/bosh-google-cpi-release,cloudfoundry-incubator/bosh-google-cpi-release,evandbrown/bosh-google-cpi-release,cloudfoundry-incubator/bosh-google-cpi-release,cloudfoundry-incubator/bosh-google-cpi-release