Unmute yaml test (#130803)

Unmute yaml test fixed by #130732

Closes #130626, #130661

Author: jimczi

muted-tests.yml

@@ -513,9 +513,6 @@ tests:
 - class: org.elasticsearch.xpack.monitoring.exporter.http.HttpExporterTests
   method: testCreateRestClient
   issue: https://github.com/elastic/elasticsearch/issues/130600
-- class: org.elasticsearch.backwards.MixedClusterClientYamlTestSuiteIT
-  method: test {p0=search.vectors/40_knn_search/Dimensions are dynamically set}
-  issue: https://github.com/elastic/elasticsearch/issues/130626
 - class: org.elasticsearch.xpack.esql.qa.multi_node.EsqlSpecIT
   method: test {match-operator.MatchWithMoreComplexDisjunctionAndConjunction SYNC}
   issue: https://github.com/elastic/elasticsearch/issues/130640
@@ -531,9 +528,6 @@ tests:
 - class: org.elasticsearch.test.rest.yaml.RcsCcsCommonYamlTestSuiteIT
   method: test {p0=search.highlight/50_synthetic_source/text single fvh source order}
   issue: https://github.com/elastic/elasticsearch/issues/130657
-- class: org.elasticsearch.smoketest.SmokeTestMultiNodeClientYamlTestSuiteIT
-  method: test {yaml=search.vectors/40_knn_search/Dimensions are dynamically set}
-  issue: https://github.com/elastic/elasticsearch/issues/130661
 - class: org.elasticsearch.test.rest.yaml.RcsCcsCommonYamlTestSuiteIT
   method: test {p0=search.vectors/41_knn_search_half_byte_quantized/Test create, merge, and search cosine}
   issue: https://github.com/elastic/elasticsearch/issues/130663