Remove useless import in SRWebSocket.h

SocketRocket/SRWebSocket.h

@@ -10,7 +10,6 @@
 //
 
 #import <Foundation/Foundation.h>
-#import <Security/SecCertificate.h>
 
 NS_ASSUME_NONNULL_BEGIN
 

SocketRocket/SRWebSocket.m

@@ -98,7 +98,6 @@ NSString *const SRHTTPResponseErrorKey = @"HTTPResponseStatusCode";
 
 @end
 
-
 @implementation SRWebSocket {
     dispatch_queue_t _workQueue;
     NSMutableArray<SRIOConsumer *> *_consumers;