Cleaned up the checkbox image list section of imagelist_winidows.c.
Cleaned up the checkbox image list section of imagelist_winidows.c.

HunterChen/ui,robbiev/ui,ProtonMail/ui,beni55/ui,hajimehoshi/ui,mirrr/ui,ProtonMail/ui,HunterChen/ui,292388900/ui,ProtonMail/ui,292388900/ui,HunterChen/ui,robbiev/ui,mirrr/ui,janstk/ui,292388900/ui,beni55/ui,robbiev/ui,cainiaocome/ui,beni55/ui,hajimehoshi/ui,janstk/ui,hajimehoshi/ui,mirrr/ui,janstk/ui,cainiaocome/ui,cainiaocome/ui