remove: 移除早已经废弃的luat_socket.h

luat/include/luat_socket.h

@@ -1,10 +0,0 @@
-#ifndef LUAT_SOCKET_H
-#define LUAT_SOCKET_H
-#include "luat_base.h"
-
-int luat_socket_ntp_sync(const char* ntpServer);
-int luat_socket_tsend(const char* hostname, int port, void* buff, int len);
-int luat_socket_is_ready(void);
-uint32_t luat_socket_selfip(void);
-
-#endif