small cleanup

bukkit/src/main/java/me/lucko/luckperms/BukkitConfig.java

@@ -16,6 +16,7 @@ public class BukkitConfig implements LPConfiguration {
         create();
     }
 
+    @SuppressWarnings("ResultOfMethodCallIgnored")
     private void create() {
         File configFile = new File(plugin.getDataFolder(), "config.yml");
 

bukkit/src/main/java/me/lucko/luckperms/VaultHook.java

@@ -8,7 +8,7 @@ import me.lucko.luckperms.users.User;
 import net.milkbowl.vault.permission.Permission;
 
 @AllArgsConstructor
-public class VaultHook extends Permission {
+class VaultHook extends Permission {
     private final LPBukkitPlugin plugin;
 
     @Override
@@ -90,9 +90,7 @@ public class VaultHook extends Permission {
     @Override
     public boolean playerInGroup(String world, String player, String group) {
         final User user = plugin.getUserManager().getUser(player);
-        if (user == null) return false;
-
-        return user.getGroupNames().contains(group);
+        return user != null && user.getGroupNames().contains(group);
     }
 
     @Override

bukkit/src/main/java/me/lucko/luckperms/listeners/PlayerListener.java

@@ -68,7 +68,7 @@ public class PlayerListener implements Listener {
         plugin.getUserManager().unloadUser(user);
     }
 
-    public static String color(String string) {
+    private static String color(String string) {
         return ChatColor.translateAlternateColorCodes('&', string);
     }
 

bukkit/src/main/java/me/lucko/luckperms/users/BukkitUser.java

@@ -18,12 +18,12 @@ public class BukkitUser extends User {
     @Setter
     private PermissionAttachment attachment = null;
 
-    public BukkitUser(UUID uuid, LPBukkitPlugin plugin) {
+    BukkitUser(UUID uuid, LPBukkitPlugin plugin) {
         super(uuid, plugin);
         this.plugin = plugin;
     }
 
-    public BukkitUser(UUID uuid, String username, LPBukkitPlugin plugin) {
+    BukkitUser(UUID uuid, String username, LPBukkitPlugin plugin) {
         super(uuid, username, plugin);
         this.plugin = plugin;
     }