(svn r24791) -Remove: Difficulty settings window.

src/widgets/intro_widget.h

@@ -27,7 +27,7 @@ enum SelectGameIntroWidgets {
 	WID_SGI_TRANSLATION_SELECTION, ///< Translation selection.
 	WID_SGI_TRANSLATION,           ///< Translation.
 	WID_SGI_OPTIONS,               ///< Options button.
-	WID_SGI_DIFFICULTIES,          ///< Difficulties button.
+	WID_SGI_HIGHSCORE,             ///< Highscore button.
 	WID_SGI_SETTINGS_OPTIONS,      ///< Settings button.
 	WID_SGI_GRF_SETTINGS,          ///< NewGRF button.
 	WID_SGI_CONTENT_DOWNLOAD,      ///< Content Download button.

src/widgets/settings_widget.h

@@ -37,15 +37,6 @@ enum GameOptionsWidgets {
 	WID_GO_BASE_MUSIC_DESCRIPTION = WID_GO_BASE_MUSIC_TEXTFILE + TFT_END, ///< Description of selected base music set.
 };
 
-/** Widgets of the #GameDifficultyWindow class. */
-enum GameDifficultyWidgets {
-	WID_GD_HIGHSCORE,     ///< Highscore button.
-	WID_GD_ACCEPT,        ///< Accept button.
-	WID_GD_CANCEL,        ///< Cancel button.
-
-	WID_GD_OPTIONS_START, ///< Start of the options.
-};
-
 /** Widgets of the #GameSettingsWindow class. */
 enum GameSettingsWidgets {
 	WID_GS_FILTER,             ///< Text filter.