Removed CAN deprecated APIs

Author: rajkan01

drivers/CAN.h

@@ -301,46 +301,6 @@ class CAN : private NonCopyable<CAN> {
      */
     void attach(Callback<void()> func, IrqType type = RxIrq);
 
-    /** Attach a member function to call whenever a CAN frame received interrupt
-     *  is generated.
-     *
-     *  @param obj pointer to the object to call the member function on
-     *  @param method pointer to the member function to be called
-     *  @param type Which CAN interrupt to attach the member function to (CAN::RxIrq for message received, TxIrq for transmitted or aborted, EwIrq for error warning, DoIrq for data overrun, WuIrq for wake-up, EpIrq for error passive, AlIrq for arbitration lost, BeIrq for bus error)
-     *  @deprecated
-     *      The attach function does not support cv-qualifiers. Replaced by
-     *      attach(callback(obj, method), type).
-     */
-    template<typename T>
-    MBED_DEPRECATED_SINCE("mbed-os-5.1",
-                          "The attach function does not support cv-qualifiers. Replaced by "
-                          "attach(callback(obj, method), type).")
-    void attach(T *obj, void (T::*method)(), IrqType type = RxIrq)
-    {
-        // Underlying call thread safe
-        attach(callback(obj, method), type);
-    }
-
-    /** Attach a member function to call whenever a CAN frame received interrupt
-     *  is generated.
-     *
-     *  @param obj pointer to the object to call the member function on
-     *  @param method pointer to the member function to be called
-     *  @param type Which CAN interrupt to attach the member function to (CAN::RxIrq for message received, TxIrq for transmitted or aborted, EwIrq for error warning, DoIrq for data overrun, WuIrq for wake-up, EpIrq for error passive, AlIrq for arbitration lost, BeIrq for bus error)
-     *  @deprecated
-     *      The attach function does not support cv-qualifiers. Replaced by
-     *      attach(callback(obj, method), type).
-     */
-    template<typename T>
-    MBED_DEPRECATED_SINCE("mbed-os-5.1",
-                          "The attach function does not support cv-qualifiers. Replaced by "
-                          "attach(callback(obj, method), type).")
-    void attach(T *obj, void (*method)(T *), IrqType type = RxIrq)
-    {
-        // Underlying call thread safe
-        attach(callback(obj, method), type);
-    }
-
     static void _irq_handler(uint32_t id, CanIrqType type);
 
 #if !defined(DOXYGEN_ONLY)