public static void clearStatusCategory(SessionContext ctx) {
        ctx.remove(CommonContextKeys.STATUS_CATEGORY);
        ctx.remove(CommonContextKeys.STATUS_CATEGORY_REASON);
    }
User: michaels@netflix.com
Date: 6/9/15
Time: 2:48 PM
zuul-core/src/main/java/com/netflix/zuul/stats/status/StatusCategoryUtils.java