feat: simplify AutoRegister annotation by removing unnecessary imports

Author: Pinont

src/main/java/com/github/pinont/singularitylib/api/annotation/AutoRegister.java

@@ -1,8 +1,5 @@
 package com.github.pinont.singularitylib.api.annotation;
 
-import java.lang.annotation.ElementType;
-import java.lang.annotation.Target;
-
 /**
  * Annotation to mark classes for automatic registration by the plugin.
  * This annotation is used to mark classes that need to be registered during the plugin's startup process.
@@ -13,7 +10,6 @@
  * It should only be used when the class extends {@code CustomItem}, {@code SimpleCommand}, or {@code Listener}.
  */
 
-@Target({ElementType.TYPE})
 public @interface AutoRegister {
     /**
      * Indicates that the annotated class should be automatically registered by the plugin.