Update config.h

keyboards/lw75/config.h

@@ -1,18 +1,5 @@
-/* Copyright 2023 Laneware Peripherals 
-  * 
-  * This program is free software: you can redistribute it and/or modify 
-  * it under the terms of the GNU General Public License as published by 
-  * the Free Software Foundation, either version 2 of the License, or 
-  * (at your option) any later version. 
-  * 
-  * This program is distributed in the hope that it will be useful, 
-  * but WITHOUT ANY WARRANTY; without even the implied warranty of 
-  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the 
-  * GNU General Public License for more details. 
-  * 
-  * You should have received a copy of the GNU General Public License 
-  * along with this program.  If not, see <http://www.gnu.org/licenses/>. 
-  */ 
+// Copyright 2023 Laneware Peripherals
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #pragma once