Remove assertion that always fails on lucene_snapshot

Author: javanna

server/src/test/java/org/elasticsearch/index/mapper/vectors/SparseVectorFieldMapperTests.java

@@ -102,10 +102,6 @@ public void testDefaults() throws Exception {
 
         List<IndexableField> fields = doc1.rootDoc().getFields("field");
         assertEquals(2, fields.size());
-        if (IndexVersion.current().luceneVersion().major == 10) {
-            // TODO: Update to use Lucene's FeatureField after upgrading to Lucene 10.1.
-            assertThat(IndexVersion.current().luceneVersion().minor, equalTo(0));
-        }
         assertThat(fields.get(0), Matchers.instanceOf(XFeatureField.class));
         XFeatureField featureField1 = null;
         XFeatureField featureField2 = null;