Remove redundant and unneeded repos, reorder repos (#6867)

patches/server/MC-Utils.patch

@@ -4489,6 +4489,7 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
 +
 +import com.google.common.util.concurrent.ThreadFactoryBuilder;
 +import it.unimi.dsi.fastutil.objects.ObjectRBTreeSet;
++import java.lang.ref.Cleaner;
 +import net.minecraft.core.BlockPos;
 +import net.minecraft.core.Direction;
 +import net.minecraft.server.level.ServerLevel;
@@ -4561,10 +4562,14 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
 +    public static Runnable registerCleaner(Object obj, Runnable run) {
 +        // Wrap callback in its own method above or the lambda will leak object
 +        Runnable cleaner = makeCleanerCallback(run);
-+        co.aikar.cleaner.Cleaner.register(obj, cleaner);
++        CleanerHolder.CLEANER.register(obj, cleaner);
 +        return cleaner;
 +    }
 +
++    private static final class CleanerHolder {
++        private static final Cleaner CLEANER = Cleaner.create();
++    }
++
 +    /**
 +     * DANGER WILL ROBINSON: Be sure you do not use a lambda that lives in the object being monitored, or leaky leaky!
 +     * @param obj