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: I6648bec52a5bcaa05a2294666edbf3fa2813054a
Signed-off-by: Stephen Finucane <stephenfin@redhat.com>
Depends-on: https://review.opendev.org/c/openstack/requirements/+/879743

.zuul.yaml

@@ -88,22 +88,6 @@
       devstack_services:
         ldap: true
 
-# Temporary job until SQLAlchemy 2.0 is no longer blocked by upper-requirements
-- job:
-    name: keystone-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: ^[^(stable)]
-    required-projects:
-      - name: github.com/sqlalchemy/sqlalchemy
-        override-checkout: main
-      - name: github.com/sqlalchemy/alembic
-        override-checkout: main
-      - name: openstack/oslo.db
-
 # Experimental
 - job:
     name: keystone-tox-patch_cover
@@ -156,7 +140,6 @@
       - openstack-python3-jobs-arm64
     check:
       jobs:
-        - keystone-tox-py310-with-sqlalchemy-2x
         - keystone-dsvm-py3-functional:
             irrelevant-files: &irrelevant-files
               - ^.*\.rst$
@@ -197,7 +180,6 @@
         # - keystone-protection-functional:
     gate:
       jobs:
-        - keystone-tox-py310-with-sqlalchemy-2x
         - keystone-dsvm-py3-functional:
             irrelevant-files: *irrelevant-files
         - keystone-dsvm-py3-functional-federation-ubuntu-jammy-k2k: