remove unused converter

Author: paul-szczepanek-arm

features/FEATURE_BLE/targets/TARGET_CORDIO/CordioPalAttClient.cpp

@@ -35,7 +35,6 @@ void CordioAttClient::att_client_handler(const attEvt_t* event)
         static const event_handler_t handlers[] = {
             &timeout_event_handler,
             &event_handler<ErrorResponseConverter>,
-            //&event_handler<ExchangeMtuResponseConverter>,
             &event_handler<FindInformationResponseConverter>,
             &event_handler<FindByTypeValueResponseConverter>,
             &event_handler<ReadByTypeResponseConverter>,

features/FEATURE_BLE/targets/TARGET_CORDIO/CordioPalAttClient.h

@@ -400,25 +400,6 @@ class CordioAttClient : public ::ble::pal::AttClient {
         }
     };
 
-    /**
-     * Converter for an AttExchangeMTUResponse.
-     */
-    struct ExchangeMtuResponseConverter  {
-        static bool can_convert(const attEvt_t* event)
-        {
-            if(event->hdr.status == ATT_SUCCESS &&
-                event->hdr.event == ATT_MTU_UPDATE_IND) {
-                return true;
-            }
-            return false;
-        }
-
-        static AttExchangeMTUResponse convert(const attEvt_t* event)
-        {
-            return AttExchangeMTUResponse(event->mtu);
-        }
-    };
-
     /**
      * Converter for a SimpleAttFindInformationResponse.
      */