Remove book-paper-def.hh.

diff --git a/lily/include/book-paper-def.hh b/lily/include/book-paper-def.hh
deleted file mode 100644 (file)
index 919b0e8..0000000
--- a/lily/include/book-paper-def.hh
+++ /dev/null
@@ -1,26 +0,0 @@
-/*
-  book-paper-def.hh -- declare Output_def
-
-  source file of the GNU LilyPond music typesetter
-
-  (c) 2004--2007  Jan Nieuwenhuizen <janneke@gnu.org>
-*/
-
-#ifndef BOOK_PAPER_DEF_HH
-#define BOOK_PAPER_DEF_HH
-
-#include "output-def.hh"
-
-#error
-
-class Output_def : public Output_def
-{
-public:
-  VIRTUAL_COPY_CONSTRUCTOR (Output_def, Output_def);
-  Output_def (Output_def const &);
-  Output_def ();
-
-  virtual void derived_mark ();
-};
-
-#endif /* BOOK_PAPER_DEF_HH */