Remove stale version control lines.

doc/Guidebook.tex

@@ -1,4 +1,5 @@
 \documentstyle[titlepage,longtable]{article}
+% NetHack 3.6  Guidebook.tex $NHDT-Date: 1431192762 2015/05/09 17:32:42 $  $NHDT-Branch: master $:$NHDT-Revision: 1.60 $ */
 %+% we're still limping along in LaTeX 2.09 compatability mode
 %-%\documentclass{article}
 %-%\usepackage{hyperref} % before longtable
@@ -33,7 +34,6 @@
 \begin{document}
 %
 % input file: guidebook.mn
-% $Revision: 1.122 $ $Date: 2015/05/21 06:00:00 $
 %
 %.ds h0 "
 %.ds h1 %.ds h2 \%