Update .gitreview for r/stx.8.0

This change also removes the py27 zuul jobs
so that this can pass zuul.

Signed-off-by: Scott Little <scott.little@windriver.com>
Change-Id: Ib850fa211258d865e2e473c0b6ce3bcf188f7211

.gitreview

@@ -2,3 +2,4 @@
 host=review.opendev.org
 port=29418
 project=starlingx/fault.git
+defaultbranch=r/stx.8.0

.zuul.yaml

@@ -12,14 +12,12 @@
         - openstack-tox-linters
         - openstack-tox-pep8
         - fault-tox-pylint
-        - fault-rest-api-py27
         - fault-rest-api-py39
     gate:
       jobs:
         - openstack-tox-linters
         - openstack-tox-pep8
         - fault-tox-pylint
-        - fault-rest-api-py27
         - fault-rest-api-py39
     post:
       jobs:
@@ -44,18 +42,6 @@
         integ: https://opendev.org/starlingx/integ
         update: https://opendev.org/starlingx/update
 
-- job:
-    name: fault-rest-api-py27
-    parent: tox
-    description: |
-      Run py27 test for fm-rest-api
-    nodeset: ubuntu-bionic
-    required-projects:
-      - starlingx/config
-    vars:
-      tox_envlist: py27
-      tox_extra_args: -c fm-rest-api/fm/tox.ini
-
 - job:
     name: fault-rest-api-py39
     parent: tox-py39