Fix TPSWatcher for 10 seconds

SpigotCore_Main/src/de/steamwar/core/TPSWatcher.java

@@ -23,7 +23,6 @@ import org.bukkit.Bukkit;
 
 public class TPSWatcher {
 
-    private static final double tickTimeDefault = 1000;
     private static final double tickDefault = 20.0;
 
     private static TPSWatcher tps_OneSecond = new TPSWatcher(1000);
@@ -34,20 +33,19 @@ public class TPSWatcher {
     private double tps = 20.0;
 
     private TPSWatcher(long timeInterval) {
-        timeInterval = timeInterval / 50;
         Bukkit.getScheduler().runTaskTimer(Core.getInstance(), () -> {
             long tickTime = System.currentTimeMillis() - lastTime;
             lastTime = System.currentTimeMillis();
 
             double now = 0;
             if (tickTime != 0) {
-                now = (tickTimeDefault / tickTime) * tickDefault;
+                now = (timeInterval / (double) tickTime) * tickDefault;
             }
             if (now < 0) {
                 now = 0;
             }
             tps = now;
-        }, timeInterval, timeInterval);
+        }, timeInterval / 50, timeInterval / 50);
     }
 
     public enum TPSType {