Add UI to delete tracked times (#14100)

Co-authored-by: 6543 <6543@obermui.de>

options/locale/locale_en-US.ini

@@ -1163,6 +1163,7 @@ issues.stop_tracking_history = `stopped working %s`
 issues.cancel_tracking = Discard
 issues.cancel_tracking_history = `cancelled time tracking %s`
 issues.add_time = Manually Add Time
+issues.del_time = Delete this time log
 issues.add_time_short = Add Time
 issues.add_time_cancel = Cancel
 issues.add_time_history = `added spent time %s`