Remove group 'fuse'

This group doesn't seem to be used at all.

BUG=chromium:841119
TEST=Check display-accts.py output, build image

Change-Id: Ic888d4859f02b8177d4d469c7cfd38b213808be5
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/overlays/eclass-overlay/+/2062844
Reviewed-by: Sergei Datsenko <dats@chromium.org>
Reviewed-by: Mike Frysinger <vapier@chromium.org>
Tested-by: François Degros <fdegros@chromium.org>
Commit-Queue: François Degros <fdegros@chromium.org>