Remove unused textures

textures/license.txt

@@ -1,43 +0,0 @@
-tnt textures from minetest game:
----------------------
-
-Attribution-ShareAlike 3.0 Unported (CC BY-SA 3.0)
-Copyright (C) 2014-2016 BlockMen
-Copyright (C) 2014-2016 ShadowNinja
-Copyright (C) 2015-2016 Wuzzy
-Copyright (C) 2016 sofar (sofar@foo-projects.org)
-Copyright (C) 2018 paramat
-
-You are free to:
-Share — copy and redistribute the material in any medium or format.
-Adapt — remix, transform, and build upon the material for any purpose, even commercially.
-The licensor cannot revoke these freedoms as long as you follow the license terms.
-
-Under the following terms:
-
-Attribution — You must give appropriate credit, provide a link to the license, and
-indicate if changes were made. You may do so in any reasonable manner, but not in any way
-that suggests the licensor endorses you or your use.
-
-ShareAlike — If you remix, transform, or build upon the material, you must distribute
-your contributions under the same license as the original.
-
-No additional restrictions — You may not apply legal terms or technological measures that
-legally restrict others from doing anything the license permits.
-
-Notices:
-
-You do not have to comply with the license for elements of the material in the public
-domain or where your use is permitted by an applicable exception or limitation.
-No warranties are given. The license may not give you all of the permissions necessary
-for your intended use. For example, other rights such as publicity, privacy, or moral
-rights may limit how you use the material.
-
-For more details:
-http://creativecommons.org/licenses/by-sa/3.0/
--------------
-
-Media:
-tnt_bottom.png
-tnt_side.png
-tnt_top_burning.png