Fix minor styles

Signed-off-by: Sicheng Song <sicheng.song@outlook.com>

Author: b4sjoo

common/src/main/java/org/opensearch/ml/common/transport/connector/MLCreateConnectorInput.java

@@ -311,6 +311,6 @@ public MLCreateConnectorInput(StreamInput input) throws IOException {
                 this.connectorClientConfig = new ConnectorClientConfig(input);
             }
         }
-        
+
     }
 }