Remove an unused variable from my document overflow changes.
Remove an unused variable from my document overflow changes.

15070217668/dockpanelsuite,shintadono/dockpanelsuite,dockpanelsuite/dockpanelsuite,elnomade/dockpanelsuite,xo-energy/dockpanelsuite,jorik041/dockpanelsuite,Romout/dockpanelsuite,thijse/dockpanelsuite,joelbyren/dockpanelsuite,transistor1/dockpanelsuite,15070217668/dockpanelsuite,rohitlodha/dockpanelsuite,modulexcite/O2_Fork_dockpanelsuite,RadarNyan/dockpanelsuite,ArsenShnurkov/dockpanelsuite,angelapper/dockpanelsuite,compborg/dockpanelsuite