Rename Citrix WAF.json to CitrixWAF.json

Workbooks/CitrixWAF.json

@@ -39,4 +39,4 @@
   "styleSettings": {},
   "fromTemplateId": "sentinel-Citrix_WAF",
   "$schema": "https://github.com/Microsoft/Application-Insights-Workbooks/blob/master/schema/workbook.json"
-}
+}