comms/fldigi: Update to 4.2.03

2023-10-31 dave-w1hkj <w1hkj@bellsouth.net>

2ba9f43d0: Version 4.2.03
923ff32f6: FSQ sounding CR/LF

• removed a number patches that were there to comment out cmedia support
• removed FreeBSD 12 support due to no cmedia support