Objc tutorial 3 uses option-less version of fanout method

[#118335067]

Author: camelpunch

objective-c/tutorial3/tutorial3/ViewController.m

@@ -20,7 +20,7 @@ - (void)emitLog {
  [conn start];
 
  id<RMQChannel> ch = [conn createChannel];
- RMQExchange *x = [ch fanout:@"logs" options:RMQExchangeDeclareNoOptions];
+ RMQExchange *x = [ch fanout:@"logs"];
 
  NSString *msg = @"Hello World!";
 
@@ -35,7 +35,7 @@ - (void)receiveLogs {
  [conn start];
 
  id<RMQChannel> ch = [conn createChannel];
- RMQExchange *x = [ch fanout:@"logs" options:RMQExchangeDeclareNoOptions];
+ RMQExchange *x = [ch fanout:@"logs"];
  RMQQueue *q = [ch queue:@"" options:RMQQueueDeclareExclusive];
 
  [q bind:x];