remove dirty hack used before we use the notify on PN

this was used to not trigger events when sending a control message

ts/session/constants.ts

@@ -1,17 +1,12 @@
-import { DAYS, HOURS, MINUTES } from './utils/Number';
+import { DAYS, MINUTES } from './utils/Number';
 // tslint:disable: binary-expression-operand-order
 
-/**
- * FIXME The -1 hours is a hack to make the PN not trigger a Notification for those control message.
- * Apple devices must show a Notification if a PN is received, and for those
- * control message, there is nothing to display (yet).
- */
 export const TTL_DEFAULT = {
   PAIRING_REQUEST: 2 * MINUTES,
-  DEVICE_UNPAIRING: 4 * DAYS - 1 * HOURS,
-  SESSION_REQUEST: 4 * DAYS - 1 * HOURS,
-  SESSION_ESTABLISHED: 2 * DAYS - 1 * HOURS,
-  END_SESSION_MESSAGE: 4 * DAYS - 1 * HOURS,
+  DEVICE_UNPAIRING: 4 * DAYS,
+  SESSION_REQUEST: 4 * DAYS,
+  SESSION_ESTABLISHED: 2 * DAYS,
+  END_SESSION_MESSAGE: 4 * DAYS,
   TYPING_MESSAGE: 1 * MINUTES,
   ONLINE_BROADCAST: 1 * MINUTES,
   REGULAR_MESSAGE: 2 * DAYS,