fix(TerminateAndRemoveNode): remove node from dead list
fix(TerminateAndRemoveNode): remove node from dead list

Nemesis TerminateAndRemoveNode fails on nodetool remove node
and could leave cluster with nodes in status DN Issue #3173.
if command `nodetool removenode` failed, remove node from
dead list allowing HealthValidator to terminate test with
critical event

scylladb/scylla-longevity-tests,scylladb/scylla-longevity-tests,scylladb/scylla-cluster-tests,scylladb/scylla-cluster-tests,scylladb/scylla-cluster-tests,scylladb/scylla-cluster-tests,scylladb/scylla-cluster-tests,scylladb/scylla-longevity-tests