Do not reset radio when MAC data request timeouts (ARMmbed#2647)

Author: Jarkko Paso

source/MAC/IEEE802_15_4/mac_mcps_sap.c

@@ -1458,12 +1458,6 @@ static void mac_common_data_confirmation_handle(protocol_interface_rf_mac_setup_
         } else if (m_event == MAC_TX_DONE_PENDING) {
             buf->status = MLME_SUCCESS;
         } else if (m_event == MAC_TX_TIMEOUT) {
-            /* Make MAC Soft Reset */;
-            tr_debug("Driver TO event");
-            //Disable allways
-            mac_mlme_mac_radio_disabled(rf_mac_setup);
-            //Enable Radio
-            mac_mlme_mac_radio_enable(rf_mac_setup);
             buf->status = MLME_TRANSACTION_EXPIRED;
         } else if (m_event == MAC_UNKNOWN_DESTINATION) {
             buf->status = MLME_UNAVAILABLE_KEY;