update legal txt and blank out plate art

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

Gems/ArchVis/Assets/Props/Plates/textures/plates_BaseColor.png

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:203637852a0cb73efe22801d647b9a90d86fc02e0fa8cab621220d77647ed684
-size 15922455
+oid sha256:e06d2e076bc2769c2a668896a61cfd63c0afadd8ab24d7cd447786fa71ab7956
+size 56942

LICENSE.txt

@@ -2,10 +2,37 @@
 
 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 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
+PROJECT DATA: "loft-arch-vis-sample\Project"
+URL: https://github.com/aws-lumberyard/loft-arch-vis-sample/tree/main/Project
+The project data and code samples, including inline code, and related data
+are dual-licensed under Apache 2.0 and the MIT licenses.
+(see LICENSE-APACHE2.txt and LICENSE_MIT.TXT)
 
-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
+ASSET DATA: "loft-arch-vis-sample\Gems\ArchVis"
+URL: https://github.com/aws-lumberyard/loft-arch-vis-sample/tree/main/Gems/ArchVis
+The O3DE ArchVis Asset Gem and it's contents including 3D models, image textures,
+and other game asset files are licensed under the Creative Commons license
+Attribution-NonCommercial 4.0 International (see LICENSE-CC-BY-NC-4.0.txt)
+
+DOCUMENTATION
+Any additional documentation content excluding code, and including images,
+is licensed under the Creative Commons license Attribution 4.0 International
+(See LICENSE-CC-BY-4.0.txt)
+
+OPEN 3D ENGINE LICENSING
+The default license for Open 3D Engine is the Apache License, Version 2.0 
+(see LICENSE_APACHE2.TXT); you may elect at your option to use the Open 3D 
+Engine under the MIT License (see LICENSE_MIT.TXT).  Contributions must be 
+made under both licenses.
+
+THIRD PARTY COMPONENTS
+Open 3D Engine requires the use of (and in some cases makes available to you) 
+software and assets that have been developed by third parties and are subject 
+to separate license terms (such as code licensed under other open source 
+licenses).  It is your responsibility to comply with the applicable licenses. 
+Information on third party materials, and the applicable license terms, are 
+referenced in or included with the materials, such as in separate LICENSE.txt 
+files accompanying the materials.
+
+For more information on the licensing terms of Open 3D Engine source code,
+read the O3DE License: https://github.com/o3de/o3de/blob/development/LICENSE.txt