net/softnic: fix useless address check

net/softnic: fix useless address check

Reported by "gcc (GCC) 12.0.0 20211003 (experimental)":

./drivers/net/softnic/rte_eth_softnic_cli.c:
	In function ‘tmgr_hierarchy_default’:
./drivers/net/softnic/rte_eth_softnic_cli.c:634:73:
	error: the comparison will always evaluate as ‘true’ for the
	address of ‘tc_valid’ will never be NULL [-Werror=address]
  634 | (&params->shared_shaper_id.tc_valid[0]) ? 1 : 0,
      |                                         ^

Fixing it by removing useless check.

Fixes: 1af2dc5111ce ("net/softnic: add command for default tmgr hierarchy")
Fixes: 5eb676d74fc8 ("net/softnic: add config flexibility to TM")
Cc: stable@dpdk.org
Signed-off-by: Ferruh Yigit <ferruh.yigit@intel.com>
Acked-by: Jasvinder Singh <jasvinder.singh@intel.com>