systemd: fix duplication of CACHED_CONFIGUREVARS
Fix historical duplication that appears to have been caused by
merging two independent fixes for the same issue:
http://git.openembedded.org/openembedded-core/commit/?id=
294adc0907a359d9c0ad260823188145aab294ad
http://git.openembedded.org/openembedded-core/commit/?id=
b30d7b1b97ffd1d44083d93ed0e572d80fcebc54
Also minor reformatting of EXTRA_OECONF values.
Signed-off-by: Andre McCurdy <armccurdy@gmail.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>