tiling resize: remove minimum size (was 5%)
tiling resize: remove minimum size (was 5%)

fixes #3071

i3/i3,i3/i3,Airblader/i3-original,Airblader/i3-original,i3/i3,i3/i3,Airblader/i3,Airblader/i3,stapelberg/i3,Airblader/i3,Airblader/i3-original,stapelberg/i3,Airblader/i3-original,Airblader/i3-original,Airblader/i3,stapelberg/i3,stapelberg/i3