Remove unnecessary attribute

Pair this with commit 587bb65

Author: fhanik

server/src/main/java/org/cloudfoundry/identity/uaa/home/HomeController.java

@@ -159,7 +159,7 @@ public String error429(Model model, HttpServletRequest request) {
 
     @RequestMapping({"/error", "/error**", "/z/{subdomain}/error", "/z/{subdomain}/error**"})
     public String errorGeneric(Model model, HttpServletRequest request) {
-        model.addAttribute("pathPrefix", UaaUrlUtils.getZonePathPrefix(request));
+        //model.addAttribute("pathPrefix", UaaUrlUtils.getZonePathPrefix(request));
         populateBuildAndLinkInfo(model);
         return ERROR;
     }