Log Message:
print/latex-mk: remove obsolete texinfo command

The texinfo sources reference @setcontentsaftertitlepage, which is an obsolete \ 
command; see

     \ 
https://www.gnu.org/software/texinfo/manual/texinfo/html_node/Obsolete-_0040_002dCommands.html

This bug is reported upstream as

     https://sourceforge.net/p/latex-mk/bugs/27/