Drop openEuler support

The job is broken since it is running with python3.7 and most services
now require at least python3.8.

Signed-off-by: Dr. Jens Harbott <harbott@osism.tech>
Change-Id: Ie21f71acffabd78c79e2b141951ccf30a5c06445
diff --git a/files/rpms/ceph b/files/rpms/ceph
index 93b5746..33a55f8 100644
--- a/files/rpms/ceph
+++ b/files/rpms/ceph
@@ -1,3 +1,3 @@
 ceph    # NOPRIME
-redhat-lsb-core # not:rhel9,openEuler-20.03
+redhat-lsb-core # not:rhel9
 xfsprogs