Switch back the tox constraint to master

Tempest 44.0.0 release hash is prepared[1] so we can
revert back to use the master constraints by default.

[1] https://review.opendev.org/c/openstack/releases/+/952405

Change-Id: Id2914f27d0a5909c599803d8b4a948cab02c665c
diff --git a/zuul.d/project.yaml b/zuul.d/project.yaml
index ea7e16e..d11bc09 100644
--- a/zuul.d/project.yaml
+++ b/zuul.d/project.yaml
@@ -118,8 +118,8 @@
         - tempest-full-test-account-py3:
             voting: false
             irrelevant-files: *tempest-irrelevant-files
-        #- ironic-tempest-bios-ipmi-direct-tinyipa:
-        #    irrelevant-files: *tempest-irrelevant-files
+        - ironic-tempest-bios-ipmi-direct-tinyipa:
+            irrelevant-files: *tempest-irrelevant-files
         - openstack-tox-bashate:
             irrelevant-files: *tempest-irrelevant-files-2
     gate:
@@ -151,8 +151,8 @@
             irrelevant-files: *tempest-irrelevant-files
         - nova-live-migration:
             irrelevant-files: *tempest-irrelevant-files
-        #- ironic-tempest-bios-ipmi-direct-tinyipa:
-        #    irrelevant-files: *tempest-irrelevant-files
+        - ironic-tempest-bios-ipmi-direct-tinyipa:
+            irrelevant-files: *tempest-irrelevant-files
     experimental:
       jobs:
         - nova-multi-cell