Rely on object detection for '5716599'

[SeeRM #7252]

lib/rex/exploitation/javascriptosdetect.js

@@ -712,9 +712,13 @@ window.os_detect.getVersion = function(){
 				os_sp = "SP2";
 				break;
 			case "5716599":
+				// IE 7.0.5730.13, XP Professional SP3 English
 				// IE 6.0.2900.5512, XP Professional SP3 English
 				// IE 6.0.2900.5512, XP Professional SP3 Spanish
-				ua_version = "6.0";
+				//
+				// Since this scriptengine applies to more than one major version of
+				// IE, rely on the object detection below to determine ua_version.
+				//ua_version = "6.0";
 				os_flavor = "XP";
 				os_sp = "SP3";
 				break;