Replace deprecated log api test with up-to-date version

This version use only monasca devstack plugin with option to install old log api.

Remove python2 tempest test.

Depends-On: https://review.opendev.org/#/c/718512/
Change-Id: Ie21a34260ad16dcdd1592762da2942c6eeeccfae

.zuul.yaml

@@ -1,88 +1,20 @@
-- job:
-    name: monascalog-tempest-base
-    parent: devstack-tempest
-    description: |
-      Job for running tempest tests on monasca-log-api devstack plugin.
-    timeout: 7800
-    required-projects:
-      - openstack/devstack-gate
-      - openstack/monasca-agent
-      - openstack/monasca-api
-      - openstack/monasca-common
-      - openstack/monasca-grafana-datasource
-      - openstack/monasca-notification
-      - openstack/monasca-persister
-      - openstack/monasca-statsd
-      - openstack/monasca-thresh
-      - openstack/monasca-ui
-      - openstack/python-monascaclient
-      - openstack/tempest
-      - openstack/monasca-log-api
-      - openstack/monasca-kibana-plugin
-      - openstack/monasca-tempest-plugin
-    vars:
-      tox_envlist: all
-      tempest_test_regex: monasca_tempest_tests.tests.log_api
-      devstack_plugins:
-        monasca-api: https://opendev.org/openstack/monasca-api
-        monasca-log-api: https://opendev.org/openstack/monasca-log-api
-      devstack_services:
-        # Disable unneeded services.
-        etcd3: false
-        g-api: false
-        g-reg: false
-        n-api: false
-        n-api-meta: false
-        n-cauth: false
-        n-cond: false
-        n-cpu: false
-        n-novnc: false
-        n-obj: false
-        n-sch: false
-        placement-api: false
-        s-account: false
-        s-container: false
-        s-object: false
-        s-proxy: false
-        c-api: false
-        c-bak: false
-        c-sch: false
-        c-vol: false
-        cinder: false
-        horizon: false
-      devstack_localrc:
-        USE_PYTHON3: true
-    irrelevant-files:
-      - ^.*\.rst$
-      - ^.*\.md$
-      - ^doc/.*$
-      - ^releasenotes/.*$
-
-- job:
-    name: monascalog-python3-tempest
-    parent: monascalog-tempest-base
-    voting: false
-    vars:
-      devstack_localrc:
-        USE_PYTHON3: true
-        TEMPEST_PLUGINS: /opt/stack/monasca-tempest-plugin
-
 - project:
     templates:
       - check-requirements
       - openstack-cover-jobs
       - openstack-lower-constraints-jobs
-      - openstack-python3-ussuri-jobs
+      - openstack-python-jobs
+      - openstack-python36-jobs
       - publish-openstack-docs-pti
       - release-notes-jobs-python3
     check:
       jobs:
-        - monascalog-python3-tempest
+        - monasca-tempest-log-oldapi-python3-influxdb
         - build-monasca-docker-image
     gate:
       queue: monasca
       jobs:
-        - monascalog-python3-tempest
+        - monasca-tempest-log-oldapi-python3-influxdb
     post:
       jobs:
         - publish-monasca-log-api-docker-image