Revert "drm/amdgpu/gfx9: put queue resets behind a debug option"

This reverts commit 7c1a2d8a.

Extended validation has completed successfully, so enable
these features by default.

Acked-by: Jiadong Zhu <Jiadong.Zhu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: Jonathan Kim <jonathan.kim@amd.com>
Cc: Jiadong Zhu <Jiadong.Zhu@amd.com>