Revert "[fuzzer] Create user provided fuzzer writeable directories when requested if they dont exist"

This reverts commit cb8912799d4372a3a1c0bf528bb4c4885caf4c45, since the
test fails on Windows.

GitOrigin-RevId: 10670bdf5451b85c5613cec0e8a78303f8914bfb
4 files changed