message: Fix for build failures.
diff: @@ -380,9 +380,6 @@ int GetBuiltinOperatorVersion(const OpSignature& op_sig) {
  case BuiltinOperator_ADD:
  case BuiltinOperator_CONCATENATION:
  - case BuiltinOperator_MAXIMUM:
  - case BuiltinOperator_MINIMUM:
  - case BuiltinOperator_MAX_POOL_2D:
  case BuiltinOperator_PAD:
  case BuiltinOperator_PADV2:
  case BuiltinOperator_SOFTMAX:
  