drm/amdgpu: drop non-necessary call trace dump

This extra call trace dump comes out in every gpu reset.
And it gives people a wrong impression that something
went wrong. Although actually there was not.
Signed-off-by: Evan Quan <evan.quan@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -4668,7 +4668,6 @@ static int amdgpu_reset_reg_dumps(struct amdgpu_device *adev)
 	int i;
 
 	lockdep_assert_held(&adev->reset_domain->sem);
-	dump_stack();
 
 	for (i = 0; i < adev->num_regs; i++) {
 		adev->reset_dump_reg_value[i] = RREG32(adev->reset_dump_reg_list[i]);