There's no need to inherit gnome as it pulls in spurious dependencies for a
non-graphical library, so just inherit gnomebase.
Also remove the --disable-introspection option as gnomebase already does that.
(From OE-Core rev: 14052535a8d5f137e22439f33aad73bc4b777d58)
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>