src/poky:python3-ndg-httpsclient: remove unused recipe

The last dependency in core on this recipe was removed in May 2024[1],
and there don't appear to be any other users that I can find.  The last
upstream release was in 2018 so this is now obsolete.

[1] oe-core dfa482f1998 ("python3-requests: cleanup RDEPENDS")

(From OE-Core rev: 48b6851420ac54b181647bf23fe1ad86c75fa650)

Signed-off-by: Ross Burton <ross.burtonarm.com>
Signed-off-by: Mathieu Dubois-Briand <mathieu.dubois-briandbootlin.com>
Signed-off-by: Richard Purdie <richard.purdielinuxfoundation.org>

Author: rossburton