drm/amdgpu: revert "Add autodump debugfs node for gpu reset v8"

drm/amdgpu: revert "Add autodump debugfs node for gpu reset v8"

This reverts commit 38f7dfd9a9fe92489c44b7c3540985a997c7008a.

Further discussion reveals that this feature is severely broken
and needs to be reverted ASAP.

GPU reset can never be delayed by userspace even for debugging or
otherwise we can run into in kernel deadlocks.

Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Nirmoy Das <nirmoy.das@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>