Throw UnsupportedOperationException in unused methods (opensearch-pro…

…ject#15446)

These methods infinitely recurse as currently implemented. This change
makes them throw UnsupportedOperationException similar to many other
methods in this class.

Signed-off-by: Andrew Ross <andrross@amazon.com>

server/src/main/java/org/opensearch/index/engine/TranslogLeafReader.java

@@ -264,13 +264,13 @@ public CacheHelper getReaderCacheHelper() {
     }
 
     @Override
-    public FloatVectorValues getFloatVectorValues(String field) throws IOException {
-        return getFloatVectorValues(field);
+    public FloatVectorValues getFloatVectorValues(String field) {
+        throw new UnsupportedOperationException();
     }
 
     @Override
-    public ByteVectorValues getByteVectorValues(String field) throws IOException {
-        return getByteVectorValues(field);
+    public ByteVectorValues getByteVectorValues(String field) {
+        throw new UnsupportedOperationException();
     }
 
     @Override