Cleanup not used job aliases

This patch cleans aliases of jobs:

* 'neutron-tempest-plugin-fwaas' which was just an alias for
  the new job 'neutron-tempest-plugin-fwaas-openvswitch'
* 'neutron-tempest-plugin-api' which was just an alias for
  the new job 'neutron-tempest-plugin-ovn'

Those aliases were added temporary as they were used in neutron-lib and
neutron-fwaas repositiories but now both those repositories are updated
and uses new job names so it can be cleaned.

Change-Id: Ib1e233fc467b7de43b8df52b798ce2498b2c7b71
diff --git a/zuul.d/master_jobs.yaml b/zuul.d/master_jobs.yaml
index 3d4f0e9..c13ee55 100644
--- a/zuul.d/master_jobs.yaml
+++ b/zuul.d/master_jobs.yaml
@@ -722,13 +722,6 @@
       - ^zuul.d/.*_jobs\.yaml$
       - ^zuul.d/base-nested-switch.yaml
 
-# TODO(slaweq): remove that job's definition as soon as new job
-# "neutron-tempest-plugin-ovn" will be used in the neutron-lib repo as
-# instead of old "neutron-tempest-plugin-api" job
-- job:
-    name: neutron-tempest-plugin-api
-    parent: neutron-tempest-plugin-ovn
-
 - job:  # Needed only in Neutron stable/2024.2
     name: neutron-tempest-plugin-api-ovs-wsgi
     parent: neutron-tempest-plugin-openvswitch
@@ -1358,12 +1351,6 @@
               driver: openvswitch
     irrelevant-files: *fwaas_irrelevant_files
 
-# TODO(slaweq):
-# Remove this alias once jobs in fwaas project will be moved to the new names
-- job:
-    name: neutron-tempest-plugin-fwaas
-    parent: neutron-tempest-plugin-fwaas-openvswitch
-
 - job:
     name: neutron-tempest-plugin-vpnaas
     parent: neutron-tempest-plugin-base