Remove license headers and update imports

lib/cache.ts

@@ -1,24 +1,5 @@
-/**
- * Copyright 2013-2019  GenieACS Inc.
- *
- * This file is part of GenieACS.
- *
- * GenieACS is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * GenieACS 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 Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with GenieACS.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-import { collections } from "./db/db";
-import * as config from "./config";
+import { collections } from "./db/db.ts";
+import * as config from "./config.ts";
 
 const CLOCK_SKEW_TOLERANCE = 30000;
 const MAX_CACHE_TTL = +config.get("MAX_CACHE_TTL");