(lnd_getmil, total_mil): Trivial, inline into callers and remove. The

abstraction from actual land unit mil encoding provided by them was
too leaky to be relied upon anyway.

src/lib/commands/ldump.c

@@ -335,7 +335,7 @@ ldump(void)
 		pr(" %d", land.lnd_effic);
 		break;
 	    case 6:
-		pr(" %d", lnd_getmil(&land));
+		pr(" %d", land.lnd_item[I_MILIT]);
 		break;
 	    case 7:
 		pr(" %d", land.lnd_harden);