[To dev/1.3] Load: Remove the getParentFile and exists checks from Load New File (#16787)

Co-authored-by: Zhenyu Luo <[email protected]>

Author: Caideyipi

iotdb-core/datanode/src/main/java/org/apache/iotdb/db/storageengine/dataregion/DataRegion.java

@@ -3074,9 +3074,7 @@ public void loadNewTsFile(
     final File tsfileToBeInserted = newTsFileResource.getTsFile().getAbsoluteFile();
     final long newFilePartitionId = newTsFileResource.getTimePartitionWithCheck();
 
-    if (!TsFileValidator.getInstance().validateTsFile(newTsFileResource)
-        || !tsfileToBeInserted.exists()
-        || tsfileToBeInserted.getParentFile() == null) {
+    if (!TsFileValidator.getInstance().validateTsFile(newTsFileResource)) {
       throw new LoadFileException(
           "tsfile validate failed, " + newTsFileResource.getTsFile().getName());
     }