Remove plugins/task job as it defines its own job

In Change-Id: I4a06f9fec0 the task plugin defines a job for itself since
it has some unique node requirements.

Change-Id: Ied45251859da094f72aee02e66464bd9d634868a
1 file changed
tree: d825ab0609b56df239bd6646d4320412698c0148
  1. playbooks/
  2. zuul.d/
  3. .gitreview
  4. LICENSE
  5. README