AP_SerialManager: remove checks for HAL_BOARD_APM2 and HAL_BOARD_APM1

libraries/AP_SerialManager/AP_SerialManager.cpp

@@ -257,7 +257,6 @@ void AP_SerialManager::set_blocking_writes_all(bool blocking)
 }
 
 // set_console_baud - sets the console's baud rate to the rate specified by the protocol
-//  used on APM2 to switch the console between the console baud rate (115200) and the SERIAL1 baud rate (user configurable)
 void AP_SerialManager::set_console_baud(enum SerialProtocol protocol, uint8_t instance) const
 {
     uint8_t found_instance = 0;
@@ -276,10 +275,8 @@ void AP_SerialManager::set_console_baud(enum SerialProtocol protocol, uint8_t in
 }
 
 /*
- *  map from a 16 bit EEPROM baud rate to a real baud rate
+ *  map from a 16 bit EEPROM baud rate to a real baud rate.
- * The practical rates for APM1/APM2 are up to 500kbaud, although
+ *  For PX4 we can do 1.5MBit, although 921600 is more reliable.
- * beyond 115200 isn't recommended. For PX4 we can do 1.5MBit,
- * although 921600 is more reliable
  */
 uint32_t AP_SerialManager::map_baudrate(int32_t rate) const
 {

libraries/AP_SerialManager/AP_SerialManager.h

@@ -112,7 +112,6 @@ public:
     void set_blocking_writes_all(bool blocking);
 
     // set_console_baud - sets the console's baud rate to the rate specified by the protocol
-    //  used on APM2 to switch the console between the console baud rate (115200) and the SERIAL1 baud rate (user configurable)
     void set_console_baud(enum SerialProtocol protocol, uint8_t instance) const;
 
     // parameter var table