refactor(net): remove noisy debug log in rtnetlink attr parsing (#2262)

Drop an accidentally committed log::info!() call inside convert_one_from_raw_buf(), which spammed an unrelated length message on every netlink route attribute decode.

Signed-off-by: longjin <longjin@DragonOS.org>

kernel/src/net/socket/netlink/route/message/attr/mod.rs

@@ -10,7 +10,6 @@ pub mod route;
 pub(in crate::net::socket::netlink::route) const IFNAME_SIZE: usize = 16;
 
 pub(super) fn convert_one_from_raw_buf<T>(src: &[u8]) -> Result<&T, SystemError> {
-    log::info!("convert_one_from_raw_buf: src.len() = {}", src.len());
     if core::mem::size_of::<T>() > src.len() {
         return Err(SystemError::EINVAL);
     }