Drop old integration tests job

As pytest-based integration tests job is stable, we do not
require old integration tests job. Also for the gate job we
should switch to the pytest-based integration tests as well.

Change-Id: I402f336b13c11d536be363b10dd6a090fa703281

.zuul.d/project.yaml

@@ -12,8 +12,6 @@
     check:
       jobs:
         - horizon-selenium-headless
-        - horizon-integration-tests:
-            voting: false
         - horizon-integration-pytest
         - horizon-ui-pytest:
             voting: false
@@ -24,13 +22,14 @@
       jobs:
         - horizon-dsvm-tempest-plugin
         - horizon-selenium-headless
+        - horizon-integration-pytest
         - horizon-tempest-plugin-ipv6
     experimental:
       jobs:
-        - horizon-integration-tests-xstatic-master
+        - horizon-integration-pytest-xstatic-master
         - horizon-tox-py36-xstatic-master
         - horizon-nodejs20-run-test-xstatic-master
     periodic:
       jobs:
         - horizon-nodejs20-run-test
-        - horizon-integration-tests
+        - horizon-integration-pytest

.zuul.d/tempest-and-integrated.yaml

@@ -1,35 +1,3 @@
-- job:
-    name: horizon-integration-tests
-    parent: devstack
-    nodeset: devstack-single-node-debian-bookworm
-    pre-run: playbooks/horizon-devstack-integration/pre.yaml
-    run: playbooks/horizon-devstack-integration/run.yaml
-    post-run: playbooks/horizon-devstack-integration/post.yaml
-    roles:
-      - zuul: openstack-infra/devstack
-    required-projects:
-      - openstack/horizon
-      - openstack/requirements
-    irrelevant-files:
-      - ^.*\.rst$
-      - ^doc/.*$
-      - ^releasenotes/.*$
-      - ^.*/locale/.*$
-      # Unit tests are not related to the integration tests
-      - ^horizon/test/unit/.*$
-      - ^openstack_auth/tests/unit/.*$
-      - ^openstack_dashboard/test/unit/.*$
-      - ^openstack_dashboard/contrib/.*/tests.py$
-      - ^openstack_dashboard/dashboards/.*/tests.py$
-      # JavaScript unit tests are not related to the integration tests
-      - ^openstack_dashboard/.*/[^/]*\.spec\.js$
-      - ^horizon/static/.*/[^/]*\.spec\.js$
-    vars:
-      devstack_services:
-        horizon: true
-      tox_envlist: integration
-      tox_constraints_file: "{{ ansible_user_dir }}/{{ zuul.projects['opendev.org/openstack/requirements'].src_dir }}/upper-constraints.txt"
-
 - job:
     name: horizon-integration-pytest
     parent: devstack

.zuul.d/xstatic-master.yaml

@@ -1,6 +1,6 @@
 - job:
-    name: horizon-integration-tests-xstatic-master
-    parent: horizon-integration-tests
+    name: horizon-integration-pytest-xstatic-master
+    parent: horizon-integration-pytest
     required-projects: &xstatic-projects
       - openstack/horizon
       - openstack/xstatic-angular