Remove redundant nullptr check, it confuses clazy

keyinfodialog.cpp

@@ -376,8 +376,7 @@ void KgpgKeyInfo::slotApplied(int result)
 		KMessageBox::error(this, i18n("Changing key properties failed."), i18n("Key properties"));
 	} else {
 		m_keywaschanged = true;
-		if (m_node)
-			emit keyNeedsRefresh(m_node);
+		emit keyNeedsRefresh(m_node);
 		reloadNode();
 	}
 	setControlEnable(true);