Remove erroneous license file and headers

We only use GPLV3 around here.

// FREEBIE

libtextsecure/test/test.js

@@ -11508,21 +11508,6 @@ require.alias("chai/index.js", "chai/index.js");if (typeof exports == "object")
 } else {
   this["chai"] = require("chai");
 }})();
-/*
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Lesser General Public License as published by
- * the Free Software Foundation, either version 3 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 Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
 mocha.setup("bdd");
 window.assert = chai.assert;