Remove CentOS-8-Stream wheel jobs

Change-Id: Id18a9f6e3918ea0e04783e599765a681c86c80a6
(cherry picked from commit ac0c1ff)

Author: tbreeds

.zuul.d/project.yaml

@@ -3,9 +3,6 @@
       - openstack-python3-jobs
     check:
       jobs:
-        - build-wheel-cache-centos-8-stream:
-            files:
-              - bindep.txt
         - build-wheel-cache-ubuntu-bionic:
             files:
               - bindep.txt
@@ -60,9 +57,6 @@
               - ^setup.cfg$
     check-arm64:
       jobs:
-        - build-wheel-cache-centos-8-stream-arm64:
-            files:
-              - bindep.txt
         - build-wheel-cache-ubuntu-bionic-arm64:
             files:
               - bindep.txt
@@ -74,9 +68,6 @@
               - bindep.txt
     gate:
       jobs:
-        - build-wheel-cache-centos-8-stream:
-            files:
-              - bindep.txt
         - build-wheel-cache-ubuntu-bionic:
             files:
               - bindep.txt