Fix email format in rupzsh.json

domains/rupzsh.json

@@ -1,9 +1,9 @@
 {
     "owner": {
         "username": "rupzsh",
-        "email": "[contactrupeshdubey@gmail.com]"
+        "email": "contactrupeshdubey@gmail.com"
     },
     "records": {
         "CNAME": "rupzsh.github.io"
     }
-}
+}