qa/suites/orch/rook: disable centos for now

We are hitting an selinux denial:

type=AVC msg=audit(1621353663.595:6016): avc: denied { write } for pid=28812 comm="cephcsi" name="pids.max" dev="cgroup" ino=2933 scontext=system_u:system_r:container_t:s0:c43,c177 tcontext=system_u:object_r:cgroup_t:s0 tclass=file permissive=1

Signed-off-by: Sage Weil <sage@newdream.net>

diff --git a/qa/suites/orch/rook/smoke/0-distro/centos_8.2_kubic_stable.yaml b/qa/suites/orch/rook/smoke/0-distro/centos_8.2_kubic_stable.yaml
deleted file mode 120000 (symlink)
index 3afeed7..0000000
--- a/qa/suites/orch/rook/smoke/0-distro/centos_8.2_kubic_stable.yaml
+++ /dev/null
@@ -1 +0,0 @@
-.qa/distros/podman/centos_8.2_kubic_stable.yaml
\ No newline at end of file

diff --git a/qa/suites/orch/rook/smoke/0-distro/centos_latest.yaml b/qa/suites/orch/rook/smoke/0-distro/centos_latest.yaml
deleted file mode 120000 (symlink)
index bd9854e..0000000
--- a/qa/suites/orch/rook/smoke/0-distro/centos_latest.yaml
+++ /dev/null
@@ -1 +0,0 @@
-.qa/distros/supported/centos_latest.yaml
\ No newline at end of file