drm/amdgpu: remove useless code in RAS

Module parameter amdgpu_ras_mask has been involved in
the calculation of ras support capability, so drop this
redundant code.
Signed-off-by: Guchun Chen <guchun.chen@amd.com>
Reviewed-by: Tao Zhou <tao.zhou1@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c

@@ -1938,8 +1938,6 @@ int amdgpu_ras_init(struct amdgpu_device *adev)
 			goto err_out;
 	}
 
-	amdgpu_ras_mask &= AMDGPU_RAS_BLOCK_MASK;
-
 	if (amdgpu_ras_fs_init(adev)) {
 		r = -EINVAL;
 		goto err_out;