AP_HAL_SITL: remove unused CAN header

libraries/AP_HAL_SITL/CAN.h

@@ -1,62 +0,0 @@
-/* Copyright (C) 2017 Eugene Shamaev
- *
- * This file is free software: you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This file is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
- * See the GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-#pragma once
-
-#include "AP_HAL_SITL.h"
-
-#if HAL_WITH_UAVCAN
-#include <AP_HAL/CAN.h>
-
-class HALSITL::HALSITLCAN : public AP_HAL::CAN {
-public:
-    HALSITLCAN() { }
-    ~HALSITLCAN() { }
-    int16_t send(const uavcan::CanFrame& frame, uavcan::MonotonicTime tx_deadline, uavcan::CanIOFlags flags) override;
-    int16_t receive(uavcan::CanFrame& out_frame, uavcan::MonotonicTime& out_ts_monotonic, uavcan::UtcTime& out_ts_utc,
-            uavcan::CanIOFlags& out_flags) override;
-    int16_t configureFilters(const uavcan::CanFilterConfig* filter_configs, uint16_t num_configs) override;
-    uint16_t getNumFilters() const override;
-    uint64_t getErrorCount() const override;
-
-    bool begin(uint32_t bitrate) override;
-    void end() override;
-    void reset() override;
-    bool is_initialized() override;
-    int32_t tx_pending() override;
-    int32_t available() override;
-
-
-private:
-    uint32_t _baudrate;
-    volatile bool _initialised;
-    volatile bool _in_timer;
-};
-
-class HALSITL::HALSITLCANDriver : public AP_HAL::CANManager
-{
-public:
-    HALSITLCANDriver() { }
-    ~HALSITLCANDriver() { }
-    uavcan::ICanIface* getIface(uint8_t iface_index) override;
-    const uavcan::ICanIface* getIface(uint8_t iface_index) const override;
-    uint8_t getNumIfaces() const override;
-    int16_t select(uavcan::CanSelectMasks& inout_masks,
-                   const uavcan::CanFrame* (& pending_tx)[uavcan::MaxCanIfaces],
-                   uavcan::MonotonicTime blocking_deadline) override;
-};
-
-#endif