Removed Class target for the SubCommand Annotation as it makes no sense on a class

lib/src/main/java/net/tomatentum/marinara/interaction/commands/annotation/SubCommand.java

@@ -5,7 +5,7 @@ import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
 import java.lang.annotation.Target;
 
-@Target({ElementType.METHOD, ElementType.TYPE})
+@Target({ElementType.METHOD})
 @Retention(RetentionPolicy.RUNTIME)
 public @interface SubCommand {
     public String name();