message: fuzz: Remove confusing return keyword from CallOneOf
  The return type is already enforced to be void by the
  ternary operator:
  ./test/fuzz/util.h:47:25: error: right operand to ? is void, but left operand is of type *OTHER_TYPE*
  ((i++ == call_index ? callables() : void()), ...);
  ^ ~~~~~~~~~~~   ~~~~~~
diff: @@ -44,7 +44,7 @@ void CallOneOf(FuzzedDataProvider& fuzzed_data_provider, Callables... callables)
  const size_t call_index{fuzzed_data_provider.ConsumeIntegralInRange<size_t>(0, call_size - 1)};
  size_t i{0};
  - return ((i++ == call_index ? callables() : void()), ...);
  + ((i++ == call_index ? callables() : void()), ...);
  }
  template <typename Collection>
  