These INSANE_SKIPs are specific to cython and unrelated to mesonpy, so
remove them. The new cython.bbclass should resolve the cause.
(From OE-Core rev: abe08a3238d162a1bdbc68172307eb3eb127bbb1)
Signed-off-by: Ross Burton <ross.burton@arm.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>