python3-numpy: move recipe to python directory
This recipe had been moved out from python directory since 2016[1] in
order to share patches between python2 and python3. But now there is no
reason to keep it in its own directory as we only keep python3-nump.
Move it back to python directory.
[1] https://git.openembedded.org/openembedded-core/commit/?id=
9bffe2f9fb4ce6c0b265f27e5b484fbe076c6349
Signed-off-by: Yi Zhao <yi.zhao@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
