Use mg_snprintf()

src/arch_win32.h

@@ -90,17 +90,4 @@ typedef int socklen_t;
 #define MG_ENABLE_DIRLIST 1
 #endif
 
-// https://lgtm.com/rules/2154840805/ -gmtime, localtime, ctime and asctime
-static __inline struct tm *gmtime_r(const time_t *t, struct tm *tm) {
-  struct tm *x = gmtime(t);
-  *tm = *x;
-  return tm;
-}
-
-static __inline struct tm *localtime_r(const time_t *t, struct tm *tm) {
-  struct tm *x = localtime(t);
-  *tm = *x;
-  return tm;
-}
-
 #endif