Objc tutorial2 update

persistent:YES, don't show separate manual ack method. [#116890463]

Author: camelpunch

objective-c/tutorial2/Cartfile.resolved

@@ -1,3 +1,3 @@
 github "robbiehanson/CocoaAsyncSocket" "562bae6af6dbd7e1891293dae20b9f79a2fd7228"
 github "Mantle/Mantle" "a16d18f635b3ba1ffb01d27d4393ee97cadf4f34"
-git "/Users/pivotal/workspace/rabbitmq-objc-client" "7c75c54a1f36265e3c089a7e8cbc1c1876ab06ea"
+git "/Users/pivotal/workspace/rabbitmq-objc-client" "ea25de2d8d43152f8040d0994a9a3a4239d9442f"

objective-c/tutorial2/tutorial2/ViewController.m

@@ -26,7 +26,7 @@ - (void)newTask:(NSString *)msg {
 
  RMQQueue *q = [ch queue:@"task_queue" options:RMQQueueDeclareDurable];
 
- [ch.defaultExchange publish:msg routingKey:q.name];
+ [ch.defaultExchange publish:msg routingKey:q.name persistent:YES];
  NSLog(@"Sent %@", msg);
 
  [conn close];
@@ -43,26 +43,6 @@ - (void)workerNamed:(NSString *)name {
  [ch basicQos:@1 global:NO];
  NSLog(@"%@: Waiting for messages", name);
 
- [q subscribe:^(id<RMQMessage> _Nonnull message) {
- NSLog(@"%@: Received %@", name, message.content);
- // imitate some work
- unsigned int sleepTime = (unsigned int)[message.content componentsSeparatedByString:@"."].count - 1;
- NSLog(@"%@: Sleeping for %u seconds", name, sleepTime);
- sleep(sleepTime);
- }];
-}
-
-- (void)workerWithManualAckNamed:(NSString *)name {
- RMQConnection *conn = [[RMQConnection alloc] initWithDelegate:[RMQConnectionDelegateLogger new]];
- [conn start];
-
- id<RMQChannel> ch = [conn createChannel];
-
- RMQQueue *q = [ch queue:@"task_queue" options:RMQQueueDeclareDurable];
-
- [ch basicQos:@1 global:NO];
- NSLog(@"%@: Waiting for messages", name);
-
  RMQBasicConsumeOptions manualAck = RMQBasicConsumeNoOptions;
  [q subscribe:manualAck handler:^(id<RMQMessage> _Nonnull message) {
  NSLog(@"%@: Received %@", name, message.content);