udev-rules/64-limesuite.rules: Don't clobber /dev/serial/
/dev/serial/ is usually a directory, but SYMLINK+="serial" would clobber
it. Remove SYMLINK, it's not used by limesuite.
Bugreport:
@@ -4,4 +4,4 @@ SUBSYSTEM=="usb", ATTR{idVendor}=="0403", ATTR{idProduct}=="601f", SYMLINK+="str
SUBSYSTEM=="usb", ATTR{idVendor}=="1d50", ATTR{idProduct}=="6108", SYMLINK+="stream-%k", MODE="666"
SUBSYSTEM=="xillybus", MODE="666"
-SUBSYSTEM=="tty", ATTRS{idVendor}=="0403", ATTRS{idProduct}=="6001", MODE="0666", SYMLINK+="serial"
+SUBSYSTEM=="tty", ATTRS{idVendor}=="0403", ATTRS{idProduct}=="6001", MODE="0666"
