update: remove dead code

assets/china-ip.py

@@ -22,7 +22,8 @@ for ipAddr in ipAddrs:
     try:
         ip = IP(ipAddr)  # ip format check
         (ipv4 if ip.version() == 4 else ipv6).add(ip)
-    except: pass
+    except:
+        pass
 
 release = [('%s' if '/' in str(ip) else '%s/32') % str(ip) for ip in ipv4]  # format into CIDR
 release += [('%s' if '/' in str(ip) else '%s/128') % str(ip) for ip in ipv6]

include/common/system.h

@@ -8,7 +8,6 @@ int run_command(const char *command);
 void create_folder(const char *folder);
 uint8_t is_file_exist(const char *file);
 void save_file(const char *file, const char *content);
-void download_file(const char *file, const char *url);
 void save_string_list(const char *file, char **string_list);
 void file_append(const char *base_file, const char *append_file);
 

src/bcrypt/hash.c

@@ -1,4 +1,3 @@
-#include <stdint.h>
 #include <stdlib.h>
 #include "bcrypt.h"
 #include "logger.h"