Remove yum clean command from centos-stream-8 suite setup

Reason is to try to fix current issues with java failing to
install. Checking the dokken config of the official java
cookbook suggests this change.

.kitchen.docker.yml

@@ -19,8 +19,6 @@ platforms:
 - name: centos-stream-8
   driver:
     image: dokken/centos-stream-8
-    intermediate_instructions:
-      - RUN yum clean all
     pid_one_command: /usr/lib/systemd/systemd
 
 - name: fedora-39