man3/, debian/debhelper.in/glibc-doc.links: Move link pages to their place

man3/, debian/debhelper.in/glibc-doc.links: Move link pages to their place

Scripted change:

$ cat debian/debhelper.in/glibc-doc.links \
| while read l; do \
	echo $l \
	| awk '{print $1}' \
	| sed 's,usr/share/man/,.so ,' \
	| sed 's,\.gz,,' \
	> "$(echo $l \
		| awk '{print $2}' \
		| sed 's,usr/share/man/,,' \
		| sed 's,\.gz,,')";
done;
$ rm debian/debhelper.in/glibc-doc.links

Link: <https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1068188>
Link: <https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1068166>
Link: <https://lore.kernel.org/linux-man/703ec07e-dd2b-bbc6-f1bc-f495e53b764f@gmail.com/T/>
Cc: Marcos Fouces <marcos@debian.org>
Cc: Sven Joachim <svenjoac@gmx.de>
Cc: Bas Couwenberg <sebastic@xs4all.nl>
Cc: Andreas Beckmann <anbe@debian.org>
Signed-off-by: Alejandro Colomar <alx@kernel.org>