fix compiler warnings - Beesign: comment out unused code; fix function call parenthasis;

[nerdCopter]

fixes:

./src/main/drivers/beesign.c: In function 'beesignUpdate':
./src/main/drivers/beesign.c:611:9: warning: the address of 'checkBeesignSerialPort' will always evaluate as 'true' [-Waddress]
  611 |     if (checkBeesignSerialPort) {
      |         ^~~~~~~~~~~~~~~~~~~~~~

At top level:
./src/main/drivers/beesign.c:104:16: warning: 'beesignChkID' defined but not used [-Wunused-function]
  104 | static uint8_t beesignChkID(uint8_t id) {