Remove SQLAlchemy tips jobs

The most recent SQLAlchemy and Alembic versions are now in
upper-constraints. As a result, this job has served its purpose and can
be removed. For more information, see [1].

[1] https://lists.openstack.org/archives/list/openstack-discuss@lists.openstack.org/thread/RBHXHTO3GUOOXVSZXD4C2O3TKDOH2QSC/

Co-Authored-By: Stephen Finucane <stephenfin@redhat.com>
Depends-on: https://review.opendev.org/c/openstack/requirements/+/879743
Depends-on: https://review.opendev.org/c/openstack/ironic/+/915789
Change-Id: Ia256e9ba5a7751ca24277bbb7aabef3833dbe83e

zuul.d/ironic-inspector-jobs.yaml

@@ -47,24 +47,6 @@
         ironic-inspector: True
         ironic-inspector-dhcp: True
 
-# TODO(stephenfin): Remove this when we raise the upper-constraint globally
-- job:
-    name: ironic-inspector-tox-unit-with-sqlalchemy-2x
-    parent: openstack-tox
-    description: |
-      Run unit tests with main branch of SQLAlchemy, alembic and oslo.db.
-      Takes advantage of the base tox job's install-siblings feature.
-    vars:
-      tox_envlist: py3
-    # The job only tests the latest and shouldn't be run on the stable branches
-    branches: ^master$
-    required-projects:
-      - name: github.com/sqlalchemy/sqlalchemy
-        override-checkout: main
-      - name: github.com/sqlalchemy/alembic
-        override-checkout: main
-      - name: openstack/oslo.db
-
 - job:
     name: ironic-inspector-tempest-managed-non-standalone
     description: The boot is managed by ironic, ironic-inspector runs in non-standalone mode.
@@ -234,4 +216,4 @@
     parent: openstack-tox
     timeout: 7200
     vars:
-      tox_envlist: codespell
+      tox_envlist: codespell

zuul.d/project.yaml

@@ -7,7 +7,6 @@
       - release-notes-jobs-python3
     check:
       jobs:
-        - ironic-inspector-tox-unit-with-sqlalchemy-2x
         - ironic-inspector-grenade
         - ironic-inspector-tempest
         - ironic-inspector-tempest-discovery
@@ -20,7 +19,6 @@
             voting: false
     gate:
       jobs:
-        - ironic-inspector-tox-unit-with-sqlalchemy-2x
         - ironic-inspector-grenade
         - ironic-inspector-tempest
         - ironic-inspector-tempest-discovery