drm/amdgpu: remove asymmetrical irq disabling in jpeg 4.0.5 suspend

A supplement to commit: 615dd56a
There is an irq warning of jpeg during resume in s2idle process. No irq enabled in jpeg 4.0.5 resume.

Fixes: 615dd56a

 ("drm/amdgpu: remove asymmetrical irq disabling in vcn 4.0.5 suspend")
Signed-off-by: Li Ma <li.ma@amd.com>
Acked-By: Saleemkhan Jamadar <saleemkhan.jamadar@amd.com>
Reviewed-by: Yifan Zhang <yifan1.zhang@amd.com>
Reviewed-by: Veerabadhran Gopalakrishnan <Veerabadhran.Gopalakrishnan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>