revert change NetworkClient.cpp

Author: Jason2866

libraries/Network/src/NetworkClient.cpp

@@ -23,11 +23,7 @@
 #include <lwip/netdb.h>
 #include <errno.h>
 
-// It is already defined in IDF as:
-//#define IN6_IS_ADDR_V4MAPPED(a)     ip6_addr_isipv4mappedipv6((ip6_addr_t*)(a))
-//#define ip6_addr_isipv4mappedipv6(ip6addr) (((ip6addr)->addr[0] == 0) && ((ip6addr)->addr[1] == 0) && (((ip6addr)->addr[2]) == PP_HTONL(0x0000FFFFUL)))
-// Keeping as a memory of the change.
-//#define _IN6_IS_ADDR_V4MAPPED(a) ((((__const uint32_t *)(a))[0] == 0) && (((__const uint32_t *)(a))[1] == 0) && (((__const uint32_t *)(a))[2] == htonl(0xffff)))
+#define IN6_IS_ADDR_V4MAPPED(a) ((((__const uint32_t *)(a))[0] == 0) && (((__const uint32_t *)(a))[1] == 0) && (((__const uint32_t *)(a))[2] == htonl(0xffff)))
 
 #define WIFI_CLIENT_DEF_CONN_TIMEOUT_MS (3000)
 #define WIFI_CLIENT_MAX_WRITE_RETRY     (10)