Remove persist.sys.fuse == false code paths

Since Android R, the FUSE prop is always on and FUSE-off is no longer
supported

Test: m
Bug: 160159282
Merged-In: Ic4414b850511fe3b4fc6df3f8b736d21335db820
Change-Id: I5a7643f9ca2f37cd7f264331df76b42df31988d5
6 files changed