Unmute APM tests

Author: ldematte

muted-tests.yml

@@ -301,12 +301,6 @@ tests:
 - class: org.elasticsearch.xpack.esql.heap_attack.HeapAttackIT
   method: testEnrichExplosionManyMatches
   issue: https://github.com/elastic/elasticsearch/issues/122913
-- class: org.elasticsearch.test.apmintegration.TracesApmIT
-  method: testApmIntegration
-  issue: https://github.com/elastic/elasticsearch/issues/122129
-- class: org.elasticsearch.test.apmintegration.MetricsApmIT
-  method: testApmIntegration
-  issue: https://github.com/elastic/elasticsearch/issues/123022
 - class: org.elasticsearch.repositories.gcs.GoogleCloudStorageServiceTests
   method: testClientsAreNotSharedAcrossRepositories
   issue: https://github.com/elastic/elasticsearch/issues/123090