Remove manpage creation. It wasn't working because of help2man
missing when libidn is being built. This attempt to create
manpages without help2man turns from no-op to hard error with
automake-1.13.
(From OE-Core rev: 46a4a696eec4d92beac1072fe6c64da1089c7cf8)
Signed-off-by: Marko Lindqvist <cazfi74@gmail.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>