lacp: keep comments to the frame layout

The comments repeated the documentation, described tests or explained
the code to its author. What stays describes the LACPDU structures. The
timer constants are decimal, in units of the LACP timer.

cmd_parser.c

@@ -539,8 +539,6 @@ void parse_lag(void)
 		return;
 	}
 
-	/* "lag <n> lacp [port]..." - run LACP on this LAG with the given candidate
-	 * ports; "lag <n> lacp off" (or no ports) removes the LAG from LACP. */
 	uint8_t w = 2;
 	__xdata uint8_t lacp_mode = 0;
 	if (cmd_words_len > 2 && cmd_compare(2, "lacp")) {
@@ -559,7 +557,7 @@ void parse_lag(void)
 		members |= ((uint16_t)1) << atoi_results_u8;
 	}
 	if (lacp_mode) {
-		lacp_lag_set(group, members);	/* 0 ports also valid: removes the LAG */
+		lacp_lag_set(group, members);
 	} else {
 		lacp_lag_set(group, 0);
 		port_lag_members_set(group, members);