Fix delete model cache on macOS causing model deploy fail with model …

…content changed error (opensearch-project#2180)

Signed-off-by: zane-neo <zaniu@amazon.com>

ml-algorithms/src/main/java/org/opensearch/ml/engine/utils/FileUtils.java

@@ -14,6 +14,8 @@
 import java.io.InputStream;
 import java.io.OutputStream;
 import java.nio.file.Path;
+import java.security.AccessController;
+import java.security.PrivilegedAction;
 import java.util.ArrayList;
 import java.util.HashSet;
 import java.util.List;
@@ -153,7 +155,10 @@ public static void deleteFileQuietly(Path path) {
 
     public static void deleteFileQuietly(File file) {
         if (file.exists()) {
-            org.apache.commons.io.FileUtils.deleteQuietly(file);
+            AccessController.doPrivileged((PrivilegedAction<Void>) () -> {
+                org.apache.commons.io.FileUtils.deleteQuietly(file);
+                return null;
+            });
         }
     }