init.c: Remove no-op term function

This change removes liblwip_term, as it did nothing and ran uselessly on
system shutdown.

Signed-off-by: Andrei Tatar <[email protected]>
Approved-by: Michalis Pappas <[email protected]>
Reviewed-by: Michalis Pappas <[email protected]>
GitHub-Closes: #62

Author: andreittr

init.c

@@ -467,12 +467,7 @@ static int liblwip_init(struct uk_init_ctx *ictx __unused)
 	return 0;
 }
 
-static void liblwip_term(const struct uk_term_ctx *tctx __unused)
-{
-	/* nothing to do */
-}
-
-uk_lib_initcall(liblwip_init, liblwip_term);
+uk_lib_initcall(liblwip_init, 0);
 
 #if CONFIG_LWIP_WAITIFACE
 static void _lwip_netif_waitif(struct netif *nf, netif_nsc_reason_t reason,