tests: remove overflow tests
tests: remove overflow tests

They do not behave correctly on some architectures, so let's remove them for
now and come up with better ones later.

Signed-off-by: Christian Brauner <48455ab3070520a2d174545c7239d6d0fabd9a83@ubuntu.com>

ss1h2a3tw/lxc,hfuCN/lxc,GreatFruitOmsk/lxc,thmo/lxc,ysbnim/lxc,aeris/lxc,terceiro/lxc,LynxChaus/lxc,hfuCN/lxc,federicobriata/lxc,LynxChaus/lxc,caglar10ur/lxc,ss1h2a3tw/lxc,terceiro/lxc,hallyn/lxc,cjwatson/lxc,terceiro/lxc,thmo/lxc,ysbnim/lxc,aeris/lxc,cjwatson/lxc,caglar10ur/lxc,LynxChaus/lxc,aeris/lxc,federicobriata/lxc,hallyn/lxc,hallyn/lxc,thmo/lxc,ysbnim/lxc,caglar10ur/lxc,ss1h2a3tw/lxc,hfuCN/lxc,cjwatson/lxc,GreatFruitOmsk/lxc,federicobriata/lxc,GreatFruitOmsk/lxc