Maintenance: [forced, user-approved] Family F6 (closes family F): delete the four headers left empty or orphaned by F1-F5. WindowDial
Batch #10239 by ragnarok-clanker: forced by an admin (0 lower score(s), 0 changed function(s)); checked with 494 compiled unit(s), including every includer of Source/UI/GameSettings/GameSettingsUI.h, Source/UI/RuneSystem/UIRuneSystemWnd.h, Source/UI/Window/UINewMakeCharWnd.h, Source/UI/Window/UIWindowMgr.h, Source/UI/Window/WindowDialogs.h, Source/Client/Mode/ModeTooltip.h, Source/Client/Mode/ModeCursor.h, Source/UI/Window/WindowRegistration.h.
Deletes: Source/UI/Window/WindowDialogs.h, Source/Client/Mode/ModeTooltip.h, Source/Client/Mode/ModeCursor.h, Source/UI/Window/WindowRegistration.h