removed format for RoundTripTime

Author: irrogozh

specification/network/resource-manager/Microsoft.Network/stable/2020-05-01/networkWatcher.json

@@ -3416,19 +3416,16 @@
         "roundTripTimeMin": {
           "description": "Minimum roundtrip time in milliseconds.",
           "readOnly": true,
-          "format": "uint32",
           "type": "integer"
         },
         "roundTripTimeAvg": {
           "description": "Average roundtrip time in milliseconds.",
           "readOnly": true,
-          "format": "uint32",
           "type": "integer"
         },
         "roundTripTimeMax": {
           "description": "Maximum roundtrip time in milliseconds.",
           "readOnly": true,
-          "format": "uint32",
           "type": "integer"
         }
       }