get rid of old countUnreadRecursive code

we have a better one in kfoldertree

svn path=/trunk/kdenetwork/kmail/; revision=176984

kmfoldertree.cpp

@@ -81,15 +81,6 @@ void KMFolderTreeItem::init()
   }
 }
 
-//-----------------------------------------------------------------------------
-int KMFolderTreeItem::countUnreadRecursive()
-{
-  if (mFolder)
-    return mFolder->countUnreadRecursive();
-  else
-    return 0;
-}
-
 //-----------------------------------------------------------------------------
 bool KMFolderTreeItem::acceptDrag(QDropEvent*) const
 {

kmfoldertree.h

@@ -32,9 +32,6 @@ public:
   KMFolderTreeItem( KFolderTreeItem* parent, QString name,
                     KMFolder* folder );
 
-  /** gets the recursive unread-count */
-  virtual int countUnreadRecursive();
-
   /** associated folder */
   KMFolder* folder() { return mFolder; }