test: Drop obsolete global unexpected message filters on rhel-x
test: Drop obsolete global unexpected message filters on rhel-x

https://bugzilla.redhat.com/show_bug.cgi?id=1629588 got fixed and our
latest image rebuild picked this up.

andreasn/cockpit,martinpitt/cockpit,andreasn/cockpit,cockpituous/cockpit,mvollmer/cockpit,garrett/cockpit,deryni/cockpit,cockpit-project/cockpit,moraleslazaro/cockpit,mvollmer/cockpit,andreasn/cockpit,cockpit-project/cockpit,cockpit-project/cockpit,andreasn/cockpit,garrett/cockpit,cockpit-project/cockpit,martinpitt/cockpit,andreasn/cockpit,cockpituous/cockpit,moraleslazaro/cockpit,garrett/cockpit,cockpituous/cockpit,martinpitt/cockpit,deryni/cockpit,moraleslazaro/cockpit,garrett/cockpit,moraleslazaro/cockpit,cockpituous/cockpit,mvollmer/cockpit,cockpituous/cockpit,martinpitt/cockpit,garrett/cockpit,moraleslazaro/cockpit,moraleslazaro/cockpit,deryni/cockpit,mvollmer/cockpit,deryni/cockpit,deryni/cockpit,cockpituous/cockpit,moraleslazaro/cockpit,andreasn/cockpit,cockpit-project/cockpit,mvollmer/cockpit,andreasn/cockpit,deryni/cockpit,martinpitt/cockpit,deryni/cockpit