Remove Cloud Controller Tasks

[#73592632]

Signed-off-by: Joseph Palermo <jpalermo@pivotallabs.com>
Bump src/cloud_controller_ng

Bump cloudfoundry/cloud_controller_ng:
  Matthew Sykes:
     Replace JSON.pretty_generate with Yajl::Encoder ( Travis Success: https://travis-ci.org/cloudfoundry/cloud_controller_ng/builds/29508652 )
  Michael Fraenkel:
     Clean up controller specs ( Travis Success: https://travis-ci.org/cloudfoundry/cloud_controller_ng/builds/29466145 )
     Remove Tasks ( Travis Success: https://travis-ci.org/cloudfoundry/cloud_controller_ng/builds/29465943 )
  Joseph Palermo:
     Clean up controller specs ( Travis Unknown )