qa/suites/rgw/website: enable centos_latest

Try out the latest centos 9.stream to reproduce the tracker issue:
https://tracker.ceph.com/issues/43744

Signed-off-by: Kyr Shatskyy <kyrylo.shatskyy@clyso.com>

diff --git a/qa/suites/rgw/website/supported-random-distro$ b/qa/suites/rgw/website/supported-random-distro$
new file mode 120000 (symlink)
index 0000000..0862b44
--- /dev/null
+++ b/qa/suites/rgw/website/supported-random-distro$
@@ -0,0 +1 @@
+.qa/distros/supported-random-distro$
\ No newline at end of file

diff --git a/qa/suites/rgw/website/ubuntu_latest.yaml b/qa/suites/rgw/website/ubuntu_latest.yaml
deleted file mode 120000 (symlink)
index 3a09f9a..0000000
--- a/qa/suites/rgw/website/ubuntu_latest.yaml
+++ /dev/null
@@ -1 +0,0 @@
-.qa/distros/supported/ubuntu_latest.yaml
\ No newline at end of file