SPEC-7531 Change Code/CryEngine to Code/Legacy (#1634)

* git mv Code\CryEngine Code\Legacy
* redirecting CMakeLists.txt
* fixing uic warning
* Some more CryEngine mentions
* validation scripts

Signed-off-by: Esteban Papp <81431996+amznestebanpapp@users.noreply.github.com>

Code/Sandbox/Editor/editor_lib_files.cmake

@@ -229,7 +229,7 @@ set(FILES
     res/warning16x16.ico
     res/water.bmp
     res/work_in_progress_icon.ico
-    res/CryEngineLogo.bmp
+    res/LegacyLogo.bmp
     res/MannFileManagerImageList.bmp
     res/infobar/CameraCollision-default.svg
     res/infobar/GotoLocation-default.svg