[AINode]:Revert AINodeTestUtils.java to exclude patchtst_fm from CI pipeline due to weight download restrictions

Author: karthikreddy-02

integration-test/src/test/java/org/apache/iotdb/ainode/utils/AINodeTestUtils.java

@@ -60,9 +60,7 @@ public class AINodeTestUtils {
               new AbstractMap.SimpleEntry<>(
                   "moirai2", new FakeModelInfo("moirai2", "moirai", "builtin", "active")),
               new AbstractMap.SimpleEntry<>(
-                  "toto", new FakeModelInfo("toto", "toto", "builtin", "active")),
-              new AbstractMap.SimpleEntry<>(
-                  "patchtst_fm", new FakeModelInfo("patchtst_fm", "patchtst_fm", "builtin", "active")))
+                  "toto", new FakeModelInfo("toto", "toto", "builtin", "active")))
           .collect(Collectors.toMap(Map.Entry::getKey, Map.Entry::getValue));
 
   public static final Map<String, FakeModelInfo> BUILTIN_MODEL_MAP;