kconfig: qconf: remove ConfigList::addColumn/removeColumn

Use QTreeView::showColumn/hideColumn directly.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>

scripts/kconfig/qconf.cc

@@ -317,7 +317,7 @@ ConfigList::ConfigList(ConfigView* p, const char *name)
 		connect(configApp, SIGNAL(aboutToQuit()), SLOT(saveSettings()));
 	}
 
-	addColumn(promptColIdx);
+	showColumn(promptColIdx);
 
 	reinit();
 }
@@ -335,21 +335,21 @@ bool ConfigList::menuSkip(struct menu *menu)
 
 void ConfigList::reinit(void)
 {
-	removeColumn(dataColIdx);
-	removeColumn(yesColIdx);
-	removeColumn(modColIdx);
-	removeColumn(noColIdx);
-	removeColumn(nameColIdx);
+	hideColumn(dataColIdx);
+	hideColumn(yesColIdx);
+	hideColumn(modColIdx);
+	hideColumn(noColIdx);
+	hideColumn(nameColIdx);
 
 	if (showName)
-		addColumn(nameColIdx);
+		showColumn(nameColIdx);
 	if (showRange) {
-		addColumn(noColIdx);
-		addColumn(modColIdx);
-		addColumn(yesColIdx);
+		showColumn(noColIdx);
+		showColumn(modColIdx);
+		showColumn(yesColIdx);
 	}
 	if (showData)
-		addColumn(dataColIdx);
+		showColumn(dataColIdx);
 
 	updateListAll();
 }

scripts/kconfig/qconf.h

@@ -88,14 +88,6 @@ public slots:
 		updateList();
 		updateAll = false;
 	}
-	void addColumn(colIdx idx)
-	{
-		showColumn(idx);
-	}
-	void removeColumn(colIdx idx)
-	{
-		hideColumn(idx);
-	}
 	void setAllOpen(bool open);
 	void setParentMenu(void);