base-modem,cinterion: no need for a peek_current_data_port() method

We already get the data port given as input parameter in
disconnect_3gpp(), so there is no point in trying to find out which the
data port is.

src/mm-base-modem.c

@@ -697,26 +697,6 @@ mm_base_modem_peek_best_data_port (MMBaseModem *self,
     return NULL;
 }
 
-MMPort *
-mm_base_modem_peek_current_data_port (MMBaseModem *self,
-                                   MMPortType type)
-{
-    GList *l;
-
-    g_return_val_if_fail (MM_IS_BASE_MODEM (self), NULL);
-
-    /* Return first connected data port */
-    for (l = self->priv->data; l; l = g_list_next (l)) {
-        if (mm_port_get_connected ((MMPort *)l->data) &&
-            (mm_port_get_port_type ((MMPort *)l->data) == type ||
-             type == MM_PORT_TYPE_UNKNOWN)) {
-            return (MMPort *)l->data;
-        }
-    }
-
-    return NULL;
-}
-
 GList *
 mm_base_modem_get_data_ports (MMBaseModem *self)
 {

src/mm-base-modem.h

@@ -131,7 +131,6 @@ MMPortMbim       *mm_base_modem_peek_port_mbim_for_data (MMBaseModem *self, MMPo
 #endif
 MMPortSerialAt   *mm_base_modem_peek_best_at_port      (MMBaseModem *self, GError **error);
 MMPort           *mm_base_modem_peek_best_data_port    (MMBaseModem *self, MMPortType type);
-MMPort           *mm_base_modem_peek_current_data_port (MMBaseModem *self, MMPortType type);
 GList            *mm_base_modem_peek_data_ports        (MMBaseModem *self);
 
 MMPortSerialAt   *mm_base_modem_get_port_primary      (MMBaseModem *self);