Revert "Improvements to open_filename.c to prevent too many open files"
Revert "Improvements to open_filename.c to prevent too many open files"

This reverts commit c36e8b6b3195ae8b7cead6b2882aae07bfb0606e.

audiokit/AudioKit,eljeff/AudioKit,audiokit/AudioKit,eljeff/AudioKit,adamnemecek/AudioKit,adamnemecek/AudioKit,audiokit/AudioKit,eljeff/AudioKit,adamnemecek/AudioKit,audiokit/AudioKit,eljeff/AudioKit,adamnemecek/AudioKit