manager: Remove gcal_manager_get_client()

Not used anymore.

src/gcal-manager.c

@@ -1691,15 +1691,3 @@ gcal_manager_startup (GcalManager *self)
 
   GCAL_EXIT;
 }
-
-ECalClient*
-gcal_manager_get_client (GcalManager *self,
-                         ESource     *source)
-{
-  GcalCalendar *calendar;
-
-  g_return_val_if_fail (GCAL_IS_MANAGER (self), NULL);
-
-  calendar = g_hash_table_lookup (self->clients, source);
-  return calendar ? gcal_calendar_get_client (calendar) : NULL;
-}

src/gcal-manager.h

@@ -123,9 +123,6 @@ GList*               gcal_manager_get_shell_search_events        (GcalManager
 
 void                 gcal_manager_startup                        (GcalManager        *self);
 
-ECalClient*          gcal_manager_get_client                     (GcalManager        *self,
-                                                                  ESource            *source);
-
 G_END_DECLS
 
 #endif /* __GCAL_MANAGER_H__ */