Maintenance: [forced, user-approved] Family D5: remove UITextViewerContext and TextViewerActions entirely. UITextViewer ctor 0x86F0A0
Batch #10206 by ragnarok-clanker: forced by an admin (4 lower score(s), 20 changed function(s)); checked with 36 compiled unit(s), including every includer of Source/UI/Acceptance/UIJoinPartyAcceptWnd.h, Source/UI/Dialogs/UIBookWnd.h, Source/UI/Dialogs/UIDisconnectedServerMsgWnd.h, Source/UI/Dialogs/UINoticeConfirmWnd.h, Source/UI/Dialogs/UIWaitWnd.h, Source/UI/EntryQueue/UIEntryQueueWnd.h, Source/UI/Party/UIRequestJoinPartyWnd.h, Source/UI/Text/UITextViewer.h, Source/UI/Window/UIAccountLimitedToolWnd.h, Source/UI/Window/UIMessageBox.h, Source/UI/Window/UINavigationHelpWnd.h, Source/UI/Window/UINormalMB.h, Source/UI/Window/UIPartyBookingHelpWnd.h.