Removed unused header.
Removed unused header.

asherikov/oru_walk_module,asherikov/oru_walk_module,shehzi001/oru_walk_module,shehzi001/oru_walk_module,nianxing/oru_walk_module,nianxing/oru_walk_module,asherikov/oru_walk_module,shehzi001/oru_walk_module,nianxing/oru_walk_module,asherikov/oru_walk_module,nianxing/oru_walk_module,shehzi001/oru_walk_module