Unmute TSDBPassthroughIndexingIT (#122160)

Yet another unmute, the failures are due to a platform issue in Windows.

Related to #121716

Author: kkrik-es

muted-tests.yml

@@ -391,8 +391,6 @@ tests:
 - class: org.elasticsearch.xpack.security.CoreWithSecurityClientYamlTestSuiteIT
   method: test {yaml=snapshot.delete/10_basic/Delete a snapshot asynchronously}
   issue: https://github.com/elastic/elasticsearch/issues/122104
-- class: org.elasticsearch.datastreams.TSDBPassthroughIndexingIT
-  issue: https://github.com/elastic/elasticsearch/issues/121716
 - class: org.elasticsearch.xpack.ml.integration.ClassificationIT
   method: testWithOnlyTrainingRowsAndTrainingPercentIsFifty_DependentVariableIsBoolean
   issue: https://github.com/elastic/elasticsearch/issues/121680