Remove reference to UShowPrefsPageAction unit

Author: delphidabbler

Src/FmMain.pas

@@ -583,8 +583,8 @@ implementation
   UCopySourceMgr, UDatabaseLoader, UDatabaseLoaderUI, UDetailTabAction,
   UEditSnippetAction, UExceptions, UHelpMgr, UHistoryMenus, UKeysHelper,
   UMessageBox, UNotifier, UNulDropTarget, UPrintMgr, UQuery, USaveSnippetMgr,
-  USaveUnitMgr, USelectionIOMgr, UShowPrefsPageAction, UUrl, UUserDBMgr, UView,
-  UViewItemAction, UWBExternal;
+  USaveUnitMgr, USelectionIOMgr, UUrl, UUserDBMgr, UView, UViewItemAction,
+  UWBExternal;
 
 
 {$R *.dfm}