Run master scenario/api jobs on api test updates

Currently master scenario/api consolidated jobs not
running on api test changes, remove api tests from
irrelevant-files of these jobs. Also restore
tempest_concurrency of some jobs which was changed
with [1].

[1] https://review.opendev.org/c/openstack/neutron-tempest-plugin/+/836912

Change-Id: Ib56542c8ddcc444fda26a079858fd60b2810d619
diff --git a/zuul.d/yoga_jobs.yaml b/zuul.d/yoga_jobs.yaml
index 87db14e..bc88c83 100644
--- a/zuul.d/yoga_jobs.yaml
+++ b/zuul.d/yoga_jobs.yaml
@@ -3,6 +3,7 @@
     parent: neutron-tempest-plugin-base
     override-checkout: stable/yoga
     vars:
+      tempest_concurrency: 4
       tempest_test_regex: ^neutron_tempest_plugin\.api
       # TODO(slaweq): find a way to put this list of extensions in
       # neutron repository and keep it different per branch,