Clean up the "Background Jobs" section

catalog/Background_Processing/Background_Jobs.yml

@@ -1,40 +1,16 @@
 name: Background Jobs
 description: Process slow tasks asynchronously to keep response times low, improve fault-tolerance and aid with horizontal scaling
 projects:
-  - acts_as_executor
-  - amqp
   - backburner
-  - backgrounded
-  - barttenbrinke/worker_queue
   - beetle
-  - bj
   - bunny
   - cloud-crowd
   - delayed_job
-  - delayed_job_active_record
-  - frenzy_bunnies
-  - girl_friday
-  - gnufied/backgroundrb
-  - jnstq/job_fu
-  - job_reactor
-  - kr/beanstalkd
-  - later
-  - navvy
-  - ncr/background-fu
-  - qu
   - que
   - quebert
   - queue_classic
-  - rabbit_jobs
   - resque
-  - resque-mongo
-  - rock-queue
   - rocketjob
-  - runner
-  - seanohalpin/smqueue
   - shoryuken
   - sidekiq
-  - stalker
-  - starling
   - sucker_punch
-  - workling