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/

Change-Id: I652d8b435f400698b1a0950a7f81c8bc1813d388
Signed-off-by: Stephen Finucane <stephenfin@redhat.com>
Depends-on: https://review.opendev.org/c/openstack/requirements/+/879743

.zuul.yaml

@@ -43,24 +43,6 @@
       tox_environment:
         VAULT_PLUGIN_ENABLED: 1
 
-# Temporary job until SQLAlchemy 2.0 is no longer blocked by upper-requirements
-- job:
-    name: barbican-tox-py310-with-sqlalchemy-2x
-    parent: openstack-tox-py310
-    description: |
-      Run unit tests with main branch of SQLAlchemy, alembic and oslo.db.
-      Takes advantage of the base tox job's install-siblings feature.
-    # The job only tests the latest and shouldn't be run on the stable branches
-    branches:
-      regex: ^stable
-      negate: true
-    required-projects:
-      - name: github.com/sqlalchemy/sqlalchemy
-        override-checkout: main
-      - name: github.com/sqlalchemy/alembic
-        override-checkout: main
-      - name: openstack/oslo.db
-
 - job:
     name: barbican-kmip-tox-functional
     parent: devstack-tox-functional
@@ -142,11 +124,9 @@
             voting: false
         - octavia-v2-dsvm-tls-barbican
         - octavia-v2-dsvm-tls-barbican-secure-rbac
-        - barbican-tox-py310-with-sqlalchemy-2x
     gate:
       jobs:
         - barbican-tox-functional
-        - barbican-tox-py310-with-sqlalchemy-2x
     experimental:
       jobs:
         - barbican-dogtag-tox-functional