eal: remove unused macro for blacklist
eal: remove unused macro for blacklist

This macro was used for blacklist parsing but is not used anymore
since commit 5a55b9ac91face71e9d665eecc716201d28745b0.

Signed-off-by: Thomas Monjalon <ee2fa8b2681c737f775687e475dcbf2028a412f1@6wind.com>
Acked-by: Olivier Matz <dfcc1510895413197abb4336e39bb0a3906cba71@6wind.com>

venkynv/dpdk-mirror,msune/dpdk,msune/dpdk,tsphillips/dpdk-fork,tsphillips/dpdk-fork,mixja/dpdk,tsphillips/dpdk-fork,john-mcnamara-intel/dpdk,venkynv/dpdk-mirror,msune/dpdk,mixja/dpdk,mixja/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,venkynv/dpdk-mirror,tsphillips/dpdk-fork,john-mcnamara-intel/dpdk,mixja/dpdk,venkynv/dpdk-mirror,msune/dpdk