Delete qpid queues that don't exist in the database.

Issue

• The following qpid events were found with the qpid-stat command but they didn't exist in any of the databases.

     qpid-stat --ssl-certificate /etc/pki/katello/certs/java-client.crt --ssl-key /etc/pki/katello/private/java-client.key -b "amqps://$(hostname -f):5671" -q

    queue                                                          dur  autoDel  excl  msg   msgIn  msgOut  bytes  bytesIn  bytesOut  cons  bind
      ========================================================================================================================================================
    pulp.agent.0c99804e-d56b-4c30-8fb9-d49fb8e3823d              Y                      0     0      0       0      0        0         0     1
      pulp.agent.11589477-a703-47e2-bac9-2f8046dfbe03            Y                      0     0      0       0      0        0         0     1
      pulp.agent.1c2274c7-c272-43f6-91d7-c838213d540b            Y                      1     1      0     512    512        0         0     1
      pulp.agent.359d3e79-f928-47ec-8e50-0dd2ad7bb449            Y                      1     1      0     512    512        0         0     1
      pulp.agent.4c182cae-90be-47f8-b091-a35f90278969            Y                      0     0      0       0      0        0         0     1
      pulp.agent.4f6810a8-28a8-45ec-a8ee-1b57b42f66bd            Y                      0     0      0       0      0        0         0     1
      pulp.agent.5ae5791d-2ba8-4bca-9939-34e52a5181bf            Y                      0     0      0       0      0        0         0     1
      pulp.agent.61293a41-844c-4983-929c-182c3895fa20            Y                      0     0      0       0      0        0         0     1
      pulp.agent.7684b913-8658-4752-99a2-295dd7120165            Y                      0     0      0       0      0        0         1     1
      pulp.agent.8bb4425e-bac4-4472-bea2-47c7b54cbe98            Y                      0     0      0       0      0        0         0     1
      pulp.agent.95aeca96-55ab-4f8a-9c7e-10940d9bc3ff            Y                      1     1      0     512    512        0         0     1
      pulp.agent.a73e18da-b44a-44b4-b647-61ee7b02be47            Y                      1     1      0     512    512        0         0     1
      pulp.agent.ad3a4a6d-5dc2-4f63-b782-1eaca991a9e0            Y                      0     0      0       0      0        0         0     1
      pulp.agent.b89ddc20-3271-4210-89ea-00235329b286            Y                      0     0      0       0      0        0         0     1
      pulp.agent.bfe3cc0a-a4b6-44c8-848d-1467faf27a3e            Y                      1     1      0     512    512        0         0     1
      pulp.agent.dcbf69fa-5d5f-4e0b-a369-b557711909e5            Y                      1     1      0     463    463        0         0     1
      pulp.agent.f551a6ee-88e0-420b-a2ff-42678c5293eb            Y                      0     0      0       0      0        0         0     1
      pulp.task                                                  Y                      0     0      0       0      0        0         1     1