chore: remove unused file and add missing reuse headers

src/systems/ds4.ts

@@ -1,3 +1,7 @@
+// SPDX-FileCopyrightText: 2022 Johannes Loher
+//
+// SPDX-License-Identifier: MIT
+
 import { packageId } from '../constants';
 
 import type { TickwerkCombatant } from '../data/documents/combatant';

src/systems/index.ts

@@ -1,3 +1,7 @@
+// SPDX-FileCopyrightText: 2022 Johannes Loher
+//
+// SPDX-License-Identifier: MIT
+
 import { getGame } from '../helpers';
 import { registerDS4SpecificFunctionality } from './ds4';
 

src/utils.ts

@@ -1,20 +0,0 @@
-// SPDX-FileCopyrightText: 2021 Johannes Loher
-//
-// SPDX-License-Identifier: MIT
-
-const defaultMessage =
-  'There has been an unexpected error in the Tickwerk module. For more details, please take a look at the console (F12).';
-
-/**
- * Tests if the given `value` is truthy.
- *
- * If it is not truthy, an {@link Error} is thrown, which depends on the given `message` parameter:
- * - If `message` is a string`, it is used to construct a new {@link Error} which then is thrown.
- * - If `message` is an instance of {@link Error}, it is thrown.
- * - If `message` is `undefined`, an {@link Error} with a default message is thrown.
- */
-export const enforce = (value: unknown, message: string | Error = defaultMessage): asserts value => {
-  if (!value) {
-    throw message instanceof Error ? message : new Error(message);
-  }
-};

templates/combat-tracker.hbs

@@ -1,3 +1,9 @@
+{{!--
+SPDX-FileCopyrightText: 2022 Johannes Loher
+
+SPDX-License-Identifier: MIT
+--}}
+
 <section class="tab sidebar-tab directory flexcol" id="combat" data-tab="combat">
     <header id="combat-round">
         {{#if user.isGM}}