undo r5300 (not fixed as seen after longer run)

git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@5303 6c8d7289-2bf4-0310-a012-ef5d649a1542

source/de/anomic/index/indexContainerHeap.java

@@ -314,13 +314,12 @@ public final class indexContainerHeap {
             return new heapCacheIterator((String) secondWordHash, rot);
         }
         
-        public synchronized boolean hasNext() {
+        public boolean hasNext() {
             if (rot) return true;
             return iterator.hasNext();
         }
 
-        public synchronized indexContainer next() {
-            synchronized(iterator) {
+        public indexContainer next() {
             if (iterator.hasNext()) {
                 return (iterator.next()).topLevelClone();
             }
@@ -331,13 +330,10 @@ public final class indexContainerHeap {
             iterator = cache.values().iterator();
             return (iterator.next()).topLevelClone();
         }
-        }
 
-        public synchronized void remove() {
-            synchronized(iterator) {
+        public void remove() {
             iterator.remove();
         }
-        }
 
         public Iterator<indexContainer> iterator() {
             return this;