refactor: fixup wrong file header, cleanup

bukkit/src/main/java/net/william278/uniform/bukkit/BukkitUniform.java

@@ -19,26 +19,7 @@
  *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-package net.william278.uniform.bukkit;/*
- * This file is part of Uniform, licensed under the GNU General Public License v3.0.
- *
- *  Copyright (c) Tofaa2
- *  Copyright (c) William278 <will27528@gmail.com>
- *  Copyright (c) contributors
- *
- *  This program is free software: you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation, either version 3 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
- */
+package net.william278.uniform.bukkit;
 
 import net.kyori.adventure.platform.bukkit.BukkitAudiences;
 import net.william278.uniform.Command;
@@ -57,6 +38,7 @@ import java.util.Locale;
  *
  * @since 1.0
  */
+@SuppressWarnings("unused")
 public final class BukkitUniform implements Uniform<CommandSender, BukkitCommand> {
 
     private static BukkitUniform INSTANCE;

paper/src/main/java/net/william278/uniform/paper/PaperUniform.java

@@ -45,11 +45,11 @@ public final class PaperUniform {
     private PaperUniform(@NotNull JavaPlugin plugin) {
         if (isUseModernApi()) {
             PaperCommand.register(plugin, commands);
-        } else {
-            plugin.getServer().getPluginManager().registerEvents(
-                new LegacyPaperCommand.Registrar(plugin, legacyCommands), plugin
-            );
+            return;
         }
+        plugin.getServer().getPluginManager().registerEvents(
+            new LegacyPaperCommand.Registrar(plugin, legacyCommands), plugin
+        );
     }
 
     private static boolean isUseModernApi() {
@@ -102,9 +102,9 @@ public final class PaperUniform {
     public void register(@NotNull Command... commands) {
         if (isUseModernApi()) {
             register(Arrays.stream(commands).map(PaperCommand::new).toArray(PaperCommand[]::new));
-        } else {
-            register(Arrays.stream(commands).map(LegacyPaperCommand::new).toArray(LegacyPaperCommand[]::new));
+            return;
         }
+        register(Arrays.stream(commands).map(LegacyPaperCommand::new).toArray(LegacyPaperCommand[]::new));
     }
 
 }