legal text update

Signed-off-by: Jonny Galloway <[email protected]>

LICENSE-CC-BY-4.0.txt

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+Copyright 2022 Amazon.com, Inc. or its affiliates, all rights reserved.
+
+Documentation content excluding code, and including images, is licensed under a Creative Commons Attribution 4.0 International License, available at https://creativecommons.org/licenses/by/4.0/.
+

LICENSE-CC-BY-NC-4.0.txt

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+Loft Arch Vis Sample Assets
+Copyright 2022 Amazon.com, Inc. or its affiliates, all rights reserved.
+
+3D models, image textures, and other asset files are licensed under a Creative Commons Attribution-NonCommercial 4.0 International License, available at http://creativecommons.org/licenses/by-nc/4.0/.
+

LICENSE.txt

@@ -2,10 +2,10 @@
 
 This Open 3D Engine "loft-arch-vis-sample" is licensed under the following conditions:
 
-* Documentation content excluding code, and including images, is licensed under CC-BY-4.0.
-* 3D model assets, materials and image textures, are licensed under CC-BY-NC-4.0
+* Documentation content excluding code, and including images, is licensed under CC-BY-4.0
+* 3D models, image textures, and other game asset files are licensed under CC-BY-NC-4.0
 ** See ./Gems/Archvis/Asset_License_CC-BY-NC-4.0.txt
-* Code samples, including inline code, and related data are dual-licensed under Apache 2.0 and the MIT licenses.
+* Code samples, including inline code, and related data are dual-licensed under Apache 2.0 and the MIT licenses
 
 For information on the licensing terms of Open 3D Engine source code, read the O3DE License:
     https://github.com/o3de/o3de/blob/development/LICENSE.txt