the quick answer is yes.
if you are remounting into previously drilled holes that is ok as long as they aren't volcano'ed  or stripped.  some old markers back in the day required you to use the rear of the binding as the jig.  you had to screw in the front to line the back then take it off.   retarded, yes, but it's ok under some situations.
i've taken off the front toe piece off my brigades for some work earlier this year with no ill effects.  just make sure that there has been no damage to the ski from anything, and use a good glue to keep the screws in and water out.