Remove unused gnc_timezone function.

src/libqof/qof/gnc-date.cpp

@@ -1316,33 +1316,6 @@ gnc_dmy2timespec_end (int day, int month, int year)
 
 /********************************************************************\
 \********************************************************************/
-
-long int
-gnc_timezone (const struct tm *tm)
-{
-    g_return_val_if_fail (tm != NULL, 0);
-
-#ifdef HAVE_STRUCT_TM_GMTOFF
-    /* tm_gmtoff is seconds *east* of UTC and is
-     * already adjusted for daylight savings time. */
-    return -(tm->tm_gmtoff);
-#else
-    {
-        long tz_seconds;
-        /* timezone is seconds *west* of UTC and is
-         * not adjusted for daylight savings time.
-         * In Spring, we spring forward, wheee! */
-# if COMPILER(MSVC)
-        _get_timezone(&tz_seconds);
-# else
-        tz_seconds = timezone;
-# endif
-        return (long int)(tz_seconds - (tm->tm_isdst > 0 ? 3600 : 0));
-    }
-#endif
-}
-
-
 void
 timespecFromTime64 ( Timespec *ts, time64 t )
 {

src/libqof/qof/gnc-date.h

@@ -385,19 +385,6 @@ gchar * gnc_timespec_to_iso8601_buff (Timespec ts, gchar * buff);
  */
 void gnc_timespec2dmy (Timespec ts, gint *day, gint *month, gint *year);
 
-/** The gnc_timezone function returns the number of seconds *west*
- * of UTC represented by the tm argument, adjusted for daylight
- * savings time.
- *
- * This function requires a tm argument returned by localtime or set
- * by mktime. This is a strange function! It requires that localtime
- * or mktime be called before use. Subsequent calls to localtime or
- * mktime *may* invalidate the result! The actual contents of tm *may*
- * be used for both timezone offset and daylight savings time, or only
- * daylight savings time! Timezone stuff under unix is not
- * standardized and is a big mess.
- */
-glong gnc_timezone (const struct tm *tm);
 // @}
 
 /* ------------------------------------------------------------------------ */