Unmute testSuggestTimeoutWithPartialResults

This test uncovered an issue in the suggest timeout handling logic.
Addressed with elastic#122675 in 9.0. The test can be unmuted.

Author: javanna

muted-tests.yml

@@ -281,9 +281,6 @@ tests:
 - class: org.elasticsearch.repositories.blobstore.testkit.analyze.MinioRepositoryAnalysisRestIT
   method: testRepositoryAnalysis
   issue: https://github.com/elastic/elasticsearch/issues/122670
-- class: org.elasticsearch.search.SearchTimeoutIT
-  method: testSuggestTimeoutWithPartialResults
-  issue: https://github.com/elastic/elasticsearch/issues/122548
 
 # Examples:
 #
@@ -322,4 +319,4 @@ tests:
 #    issue: "https://github.com/elastic/elasticsearch/..."
 #  - class: "org.elasticsearch.xpack.esql.**"
 #    method: "test {union_types.MultiIndexIpStringStatsInline *}"
-#    issue: "https://github.com/elastic/elasticsearch/..."
+#    issue: "https://github.com/elastic/elasticsearch/..."