Update: Lift the restrictions on specifying -o with -l, -s, and -t for the FSS read...

Update: Lift the restrictions on specifying -o with -l, -s, and -t for the FSS read programs.

At some point the FSS read functions were not designed to allow -o and -c at the same time.

This is no longer necessary.
Remove the checks and the code appears to work as expected.