mesh: Fix clang uninitialized var warning
There's a BT_DBG that will output the value of pub_addr before its ever
set to anything.  Remove output of pub_addr from BT_DBG().
@@ -1299,8 +1299,7 @@ static void mod_pub_va_set(struct bt_mesh_model *model,
retransmit = net_buf_simple_pull_u8(buf);
mod_id = buf->om_data;
- BT_DBG("elem_addr 0x%04x pub_addr 0x%04x cred_flag %u",
- elem_addr, pub_addr, cred_flag);
+ BT_DBG("elem_addr 0x%04x cred_flag %u", elem_addr, cred_flag);
BT_DBG("pub_app_idx 0x%03x, pub_ttl %u pub_period 0x%02x",
pub_app_idx, pub_ttl, pub_period);
BT_DBG("retransmit 0x%02x (count %u interval %ums)", retransmit,
