clean forward declaration

src/dolphinpart.h

@@ -31,9 +31,7 @@ class QActionGroup;
 class KFileItemList;
 class KFileItem;
 class DolphinPartBrowserExtension;
-class DolphinSortFilterProxyModel;
 class DolphinRemoteEncoding;
-class DolphinModel;
 class KDirLister;
 class DolphinView;
 class KAboutData;

src/dolphinrecenttabsmenu.h

@@ -23,7 +23,6 @@
 #include <KActionMenu>
 #include <KUrl>
 
-class DolphinTabPage;
 class QAction;
 
 class DolphinRecentTabsMenu : public KActionMenu

src/panels/places/placespanel.h

@@ -25,7 +25,6 @@
 #include <panels/panel.h>
 
 class KItemListController;
-class PlacesItemEditDialog;
 class PlacesItem;
 class PlacesItemModel;
 class PlacesView;

src/search/dolphinfacetswidget.h

@@ -28,7 +28,6 @@
 #endif
 
 class QButtonGroup;
-class QCheckBox;
 class QDate;
 class QRadioButton;
 

src/search/filenamesearchprotocol.h

@@ -22,7 +22,6 @@
 
 #include <kio/slavebase.h>
 
-class KFileItem;
 class KUrl;
 class QRegExp;