Fix the license header

libraries/launcher/org/multimc/LauncherFactory.java

@@ -14,23 +14,6 @@
  *
  *  You should have received a copy of the GNU General Public License
  *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
- *
- * This file incorporates work covered by the following copyright and
- * permission notice:
- *
- *      Copyright 2013-2021 MultiMC Contributors
- *
- *      Licensed under the Apache License, Version 2.0 (the "License");
- *      you may not use this file except in compliance with the License.
- *      You may obtain a copy of the License at
- *
- *          http://www.apache.org/licenses/LICENSE-2.0
- *
- *      Unless required by applicable law or agreed to in writing, software
- *      distributed under the License is distributed on an "AS IS" BASIS,
- *      WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *      See the License for the specific language governing permissions and
- *      limitations under the License.
  */
 
 package org.multimc;