Unmute DebPreservationTests test40RestartOnUpgrade

Author: mark-vieira

muted-tests.yml

@@ -206,9 +206,6 @@ tests:
 - class: org.elasticsearch.xpack.remotecluster.CrossClusterEsqlRCS2UnavailableRemotesIT
   method: testEsqlRcs2UnavailableRemoteScenarios
   issue: https://github.com/elastic/elasticsearch/issues/117419
-- class: org.elasticsearch.packaging.test.DebPreservationTests
-  method: test40RestartOnUpgrade
-  issue: https://github.com/elastic/elasticsearch/issues/118170
 - class: org.elasticsearch.xpack.inference.DefaultEndPointsIT
   method: testInferDeploysDefaultRerank
   issue: https://github.com/elastic/elasticsearch/issues/118184