Forget operation #2
Description
Do we need this operation to avoid unnecessary memory usage?
The file system may only remove inodes after the reference count reaches zero. This is relevant for "unlink, rmdir or (when overwriting an existing file) rename".
https://libfuse.github.io/doxygen/structfuse__lowlevel__ops.html#a9fca05bcb3594ccd68d288ebd37a8467