net/fm10k: remove unused constant
net/fm10k: remove unused constant

The macro FM10K_SIMPLE_TX_FLAG was used with old Tx queue flags.
It is no longer used and was forgotten when cleaning old Tx flags.

Fixes: 1778ef67e2e7 ("net/fm10k: remove dependence on Tx queue flags")
Cc: stable@dpdk.org

Signed-off-by: Thomas Monjalon <5f50a84c1fa3bcff146405017f36aec1a10a9e38@monjalon.net>
Acked-by: Ferruh Yigit <ba8734c3c506d2e3557bd4ac8fdaccd25bdb9aa7@intel.com>

john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk