Remove unused imports

Author: Floweynt

src/main/java/de/sldk/mc/metrics/Metric.java

@@ -6,8 +6,6 @@
 import java.util.logging.Logger;
 import org.bukkit.Bukkit;
 import org.bukkit.plugin.Plugin;
-import org.bukkit.scheduler.BukkitTask;
-import org.checkerframework.checker.units.qual.C;
 import org.jetbrains.annotations.Nullable;
 
 public abstract class Metric {