removed vestigial function call

src/common/parse_time.h

@@ -101,15 +101,4 @@ extern void mins2time_str(uint32_t time, char *string, int size);
 /* used to get a 2 char abbriviated month name from int 0-11 */
 extern char *mon_abbr(int mon);
 
-/* Convert a string to a duration in Months or Days
- * input formats:
- *   <integer>                defaults to Months
- *   <integer>Months
- *   <integer>Days
- * output:
- *   <integer>                if input is in Months
- *   PURGE_DAYS || <integer>  if input is in Days
- */
-extern int time_str2duration(char *string);
-
 #endif