base-modem: no need for `port_grabbed()'

Subclasses can configure additional stuff in the ports just after all have been
organized, in the SETUP_PORTS initialization step in MMBroadbandModem.

src/mm-base-modem.c

@@ -234,10 +234,6 @@ mm_base_modem_grab_port (MMBaseModem *self,
      * Note: 'key' and 'port' now owned by the HT. */
     g_hash_table_insert (self->priv->ports, key, port);
 
-    /* Let subclasses know we've grabbed it */
-    if (MM_BASE_MODEM_GET_CLASS (self)->port_grabbed)
-        MM_BASE_MODEM_GET_CLASS (self)->port_grabbed (self, port);
-
     return TRUE;
 }
 

src/mm-base-modem.h

@@ -56,12 +56,6 @@ struct _MMBaseModem {
 struct _MMBaseModemClass {
     MmGdbusObjectSkeletonClass parent;
 
-    /* Called after the base class grabs a port so that subclasses can
-     * set port flags and other properties on the new port.
-     */
-    void (*port_grabbed) (MMBaseModem *self,
-                          MMPort *port);
-
     /* Modem initialization.
      * As soon as the ports are organized, this method gets called */
     void (* initialize) (MMBaseModem *self,