update validatePatches to take optional opatch lsinventory file contents

Former-commit-id: 7e889fe400d3be8cbcdd99eb031e3d3b40ec6d7e

Author: jshum2479

src/main/java/com/oracle/weblogicx/imagebuilder/builder/util/ARUUtil.java

@@ -191,13 +191,10 @@ public static ValidationResult validatePatches(String lsInventoryPath, List<Stri
             String inventoryContent = new String(Files.readAllBytes(Paths.get(lsInventoryPath)));
             String upiPayload = "<inventory_upi_request><lsinventory_output>" + inventoryContent +
                  "</lsinventory_output></inventory_upi_request>";
-
-          //  System.out.println(upiPayload);
+            
             Document upiResult = HttpUtil.postCheckConflictRequest(GET_LSINVENTORY_URL, upiPayload, userId,
                 password);
 
-            XPathUtil.prettyPrint(upiResult);
-
             try {
                 NodeList upi_list = XPathUtil.applyXPathReturnNodeList(upiResult,
                     "/inventory_upi_response/upi");