removed done todos

arch/cga.h

@@ -95,7 +95,6 @@ void setCursor(unsigned abs_x, unsigned abs_y);
 
 /*! \brief Retrieve the keyboard hardware cursor position on screen
  *
- *  \todo(11) Implement the method using the \ref IOPort
  *
  *  \param abs_x absolute column of the keyboard hardware cursor
  *  \param abs_y absolute row of the keyboard hardware cursor
@@ -118,7 +117,6 @@ void getCursor(unsigned& abs_x, unsigned& abs_y);
  * \param character Character to be displayed
  * \param attrib Attribute with color settings
  *
- * \todo(11) Implement the method
  */
 void show(unsigned abs_x, unsigned abs_y, char character,
           Attribute attrib = Attribute());

arch/serial.h

@@ -161,7 +161,6 @@ class Serial {
 
   /*! \brief Read value from register
    *
-   * \todo(11) Implement Method
    *
    *  \param reg Register index
    *  \return The value read from register
@@ -170,7 +169,6 @@ class Serial {
 
   /*! \brief Write value to register
    *
-   * \todo(11) Implement Method
    *
    *  \param reg Register index
    *  \param out value to be written
@@ -188,7 +186,6 @@ class Serial {
    * parameters used for the serial connection. Default values are `8N1` (8 bit,
    * no parity bit, one stop bit) with 115200 Baud using COM1.
    *
-   * \todo(11) - Implement Constructor
    */
   explicit Serial(ComPort port = COM1, BaudRate baud_rate = BAUD_115200,
                   DataBits data_bits = DATA_8BIT,
@@ -196,7 +193,6 @@ class Serial {
 
   /*! \brief Write one byte to the serial interface
    *
-   * \todo(11) - Implement Method
    *
    *  \param out Byte to be written
    *  \return Byte written (or `-1` if writing byte failed)