Revert "[Transform] Unmute testAuditorWritesAudits (elastic#135786)" (elastic#135898)

This reverts commit 86e0aae.

Author: jozala

muted-tests.yml

@@ -317,6 +317,9 @@ tests:
     issue: https://github.com/elastic/elasticsearch/issues/121117
   - class: org.elasticsearch.xpack.ml.integration.PyTorchModelIT
     issue: https://github.com/elastic/elasticsearch/issues/121165
+  - class: org.elasticsearch.xpack.transform.integration.TransformAuditorIT
+    method: testAuditorWritesAudits
+    issue: https://github.com/elastic/elasticsearch/issues/121241
   - class: org.elasticsearch.backwards.MixedClusterClientYamlTestSuiteIT
     method: test {p0=nodes.stats/11_indices_metrics/indices mappings exact count test for indices level}
     issue: https://github.com/elastic/elasticsearch/issues/120950