Remove test mute for #110408 (#116475)

This was fixed by #113630 but without unmuting the test.

Closes #110408

Author: DaveCTurner

muted-tests.yml

@@ -5,9 +5,6 @@ tests:
 - class: "org.elasticsearch.client.RestClientSingleHostIntegTests"
   issue: "https://github.com/elastic/elasticsearch/issues/102717"
   method: "testRequestResetAndAbort"
-- class: "org.elasticsearch.xpack.searchablesnapshots.FrozenSearchableSnapshotsIntegTests"
-  issue: "https://github.com/elastic/elasticsearch/issues/110408"
-  method: "testCreateAndRestorePartialSearchableSnapshot"
 - class: org.elasticsearch.xpack.restart.FullClusterRestartIT
   method: testSingleDoc {cluster=UPGRADED}
   issue: https://github.com/elastic/elasticsearch/issues/111434