'hqd_registers' used to be used in a member of the 'bonaire_mqd'
struct. 'bonaire_mqd' was removed by
commit 486d807cd9 ("drm/amdgpu: remove duplicate definition of cik_mqd")
It's now unused.
Remove 'hqd_registers' as well.
Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>