Cleaned up bad logic in helper

src/engine/objects/Guild.java

@@ -629,34 +629,13 @@ public class Guild extends AbstractWorldObject {
 
     public boolean canSubAGuild(Guild toSub) {
 
-        boolean canSub;
-
         if (this.equals(toSub))
             return false;
-        switch (this.guildState) {
-            case Nation:
-            case Sovereign:
-                canSub = true;
-                break;
-            default:
-                canSub = false;
-        }
 
-        switch (toSub.guildState) {
-            case Errant:
-            case Sovereign:
-                canSub = true;
-                break;
-            default:
-                canSub = false;
-        }
+        boolean validNation = (this.guildState == GuildState.Nation || this.guildState == GuildState.Sovereign);
+        boolean validProtectorate = (toSub.guildState == GuildState.Errant || toSub.guildState == GuildState.Sovereign);
 
-        City nationCap = City.getCity(nation.cityUUID);
-
-        if (nation.getSubGuildList().size() >= nationCap.getRank())
-            canSub = false;
-
-        return canSub;
+        return validNation && validProtectorate;
     }
 
     public int getRealmsOwnedFlag() {