qa/suites/rados/perf: run on ubuntu

pdsh and collectl packages don't seem to exist on el8.

Signed-off-by: Sage Weil <sage@redhat.com>

diff --git a/qa/suites/rados/perf/supported-random-distro$ b/qa/suites/rados/perf/supported-random-distro$
deleted file mode 120000 (symlink)
index 7cef21e..0000000
--- a/qa/suites/rados/perf/supported-random-distro$
+++ /dev/null
@@ -1 +0,0 @@
-../basic/supported-random-distro$
\ No newline at end of file

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