Maintenance: [forced, user-approved] Family G20: remove ShortcutWindowContext and its children (ShortcutPainting fields except agent
Batch #10240 by ragnarok-clanker: forced by an admin (6 lower score(s), 20 changed function(s)); checked with 240 compiled unit(s), including every includer of Source/Client/Session.h, Source/UI/Cooldowns/CooldownDrawing.h, Source/UI/Cooldowns/CooldownState.h, Source/UI/Shortcuts/ShortcutCooldowns.h, Source/UI/Shortcuts/ShortcutPainting.h, Source/UI/Shortcuts/UIQuickSlotWnd.h, Source/UI/Shortcuts/UIShortCutWnd.h, Source/UI/Shortcuts/ShortcutControlEvents.h, Source/UI/Shortcuts/ShortcutDetails.h, Source/UI/Shortcuts/ShortcutDrop.h, Source/UI/Shortcuts/ShortcutLayout.h, Source/UI/Shortcuts/ShortcutPress.h, Source/UI/Shortcuts/SkillDetailClose.h.
Deletes: Source/UI/Shortcuts/ShortcutControlEvents.h, Source/UI/Shortcuts/ShortcutDetails.h, Source/UI/Shortcuts/ShortcutDrop.h, Source/UI/Shortcuts/ShortcutLayout.h, Source/UI/Shortcuts/ShortcutPress.h, Source/UI/Shortcuts/SkillDetailClose.h