Remove PortaPack CPLD checksum display.

No point in calculating or showing, since full compare against desired bits is done at every startup -- way better than a CRC, and if it fails tries to program. If programming fails, the PortaPack panics and LED flashes.

firmware/application/ui_setup.cpp

@@ -172,7 +172,6 @@ AboutView::AboutView(NavigationView& nav) {
 		&text_title,
 		&text_firmware,
 		&text_cpld_hackrf,
-		&text_cpld_portapack,
 		&button_ok,
 	} });