Reword additional permissions to make it more unambiguous

The original permissions were written somewhat hastily, so this just cleans things up

src/main/java/com/falsepattern/chunk/api/DataRegistry.java

@@ -18,29 +18,10 @@
  * GNU Affero General Public License for more details.
  *
  * You should have received a copy of the GNU Affero General Public License
- * along with this program.  If not, see <https://www.gnu.org/licenses/>.
- * -------------------------------------------------------------------------------
- * According to section 7 of the GNU AGPL, this software comes with the following additional permissions:
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
  *
- * You may link this mod against proprietary code developed by Mojang Studios (Minecraft and its dependencies), as well
- * as distribute binary builds of it as part of a "Minecraft modpack" without the AGPL restrictions spreading to any other
- * files in said modpack.
- *
- * You may also develop any mods that depend on classes the API packages (`com.falsepattern.chunk.api.*`) and distribute that
- * mod under terms of your own choice. Note that this permissions does not apply to anything outside the internal package,
- * as those are internal implementations of ChunkAPI and are not meant to be used in any external mod, thus the full force
- * of the AGPL applies in such cases.
- *
- * These additional permissions get removed if you modify, extend, rename, remove, or in any other way alter
- * any part of the public API code, save data binary formats, or the network protocol in such a way that makes
- * it not perfectly compatible with the official versions of ChunkAPI.
- *
- * If you wish to make modifications to the previously mentioned features, please create a pull request on the official
- * release of ChunkAPI with full reasoning and specifications behind the requested change, and once it's merged and
- * published in an official release, your modified version may once again inherit this additional permission.
- *
- * To avoid abuse caused by upstream API changes, these permissions are valid as long as your modified version of ChunkAPI
- * is perfectly compatible with any public release of the official ChunkAPI.
+ * This program comes with additional permissions according to Section 7 of the
+ * GNU Affero General Public License. See the full LICENSE file for details.
  */
 
 package com.falsepattern.chunk.api;