fixes up lint warnings

Author: davidtruong

Iterable-iOS-SDK/IterableAPI.h

@@ -467,7 +467,6 @@ typedef NS_ENUM(NSInteger, PushServicePlatform) {
  
  @abstract Tracks a InAppOpen event with custom completion blocks
  
- @param campaignId      The campaignId of the notification
  @param messageId       The messageId of the notification
  */
 - (void)trackInAppOpen:(NSString *)messageId;

Iterable-iOS-SDK/IterableAPI.m

@@ -813,9 +813,6 @@ - (void)spawnInAppNotification:(ITEActionBlock)callbackBlock
         NSDictionary *dialogOptions = [IterableInAppManager getNextMessageFromPayload:payload];
         if (dialogOptions != nil) {
             NSDictionary *message = [dialogOptions valueForKeyPath:ITERABLE_IN_APP_CONTENT];
-            NSNumber *templateId = [message valueForKey:ITBL_KEY_TEMPLATE_ID];
-            
-            NSNumber *campaignId = [dialogOptions valueForKey:ITBL_KEY_CAMPAIGN_ID];
             NSString *messageId = [dialogOptions valueForKey:ITBL_KEY_MESSAGE_ID];
 
             [self trackInAppOpen:messageId];