net/mlx5: E-Switch, Fix double mutex initialization

Delete mutex_init call of a lock that's initialized in inner function.

Fixes: eca8cc38 ("net/mlx5: E-Switch, Refactor offloads flow steering init/cleanup")
Signed-off-by: NMax Gurtovoy <maxg@mellanox.com>
Reviewed-by: NRoi Dayan <roid@mellanox.com>
Signed-off-by: NSaeed Mahameed <saeedm@mellanox.com>

drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c

@@ -1697,8 +1697,6 @@ int esw_offloads_init(struct mlx5_eswitch *esw, int vf_nvports,
 {
 	int err;
 
-	mutex_init(&esw->fdb_table.offloads.fdb_prio_lock);
-
 	err = esw_offloads_steering_init(esw, total_nvports);
 	if (err)
 		return err;