Removed Threading in ExecutionTimeSubject because of JavaFX Thread problem

src/main/java/fabrik/simulator/pic16f84/ExecutionTimeSubject.java

@@ -24,29 +24,8 @@ public abstract class ExecutionTimeSubject extends PICComponent implements PICCo
     }
 
     protected void notifyObservers(){
-        for (final ExecutionTimeObserver each : observers){
-            notify(each);
-                    }
-                }
-             
-    protected void notify(final ExecutionTimeObserver observer) {
-        createNotifierFor(observer).start();
-    }
-            
-            
-    protected Thread createNotifierFor(ExecutionTimeObserver observer) {
-        return new Thread(){
-            public void run(){
-                try {
-                    observer.executionTimeChanged();
-                } catch (Exception e){
-                    e.printStackTrace();
-                    ExecutionTimeSubject.this.observers.remove(observer);
-                }
-            }
-        };
-    }
-        
+            observers.forEach(o -> o.executionTimeChanged());
+        }
         
     public double getTotalExecutionTime(){
         throw new UnsupportedOperationException("No class implements ExecutionTimeSubject correctly!");