chore: cleanup

include/w5500.h

@@ -9,23 +9,11 @@
 #define DNS_SOCKET 1
 #define TCP_SOCKET 2
 
-// Options structure for client identification
-typedef struct {
-  char* clientid;
-  char* username;
-  char* password;
-  int qos;
-} ch32_mqtt_options_t;
-
 extern volatile int ip_assigned;
 
 // Initializes the W5500 chip
 void configure_network(void);
 
-// void configure_dhcp(void);
-void dhcp_init(void);
-void dhcp_process(void);
-
 // resolves a domain name
 // void resolve_domain_name(const char* domain_name);