Authored by Lizhen Hu

Remove unused header file

... ... @@ -9,7 +9,6 @@
#import "SDWebImageManager.h"
#import "NSImage+WebCache.h"
#import <objc/message.h>
#import <pthread/pthread.h>
#define LOCK(lock) dispatch_semaphore_wait(lock, DISPATCH_TIME_FOREVER);
#define UNLOCK(lock) dispatch_semaphore_signal(lock);
... ...