* tools/dist/construct-rolling-environment.sh:   Remove the ability to download deps for the tarball rolling environment,   since we no longer need 'em.
* tools/dist/construct-rolling-environment.sh:
  Remove the ability to download deps for the tarball rolling environment,
  since we no longer need 'em.

jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion