display_date() is only used one time, doesn't make sense to make it a function

fiche.h

@@ -81,7 +81,6 @@ int check_protocol(char *buffer);
 
 void bind_to_port(int listen_socket, struct sockaddr_in serveraddr);
 void error(char *error_code){perror(error_code); exit(1);}
-void display_date();
 void perform_connection(int listen_socket);
 void generate_url(char *buffer, char *slug, size_t slug_length, struct client_data data);
 void save_to_file(char *buffer, char *slug, struct client_data data);