Revert "Isolate JKRHeap operator overloads" (#39)

libs/JSystem/src/J2DGraph/J2DPane.cpp

@@ -210,7 +210,7 @@ void J2DPane::changeUseTrans(J2DPane* p_pane) {
 J2DPane::~J2DPane() {
     JSUTreeIterator<J2DPane> iterator = mPaneTree.getFirstChild();
     for (; iterator != mPaneTree.getEndChild();) {
-        JKR_DELETE((iterator++).getObject());
+        delete (iterator++).getObject();
     }
 }