FBX -> Scene, part 2. Code changes, file renames (#1704)

* First pass FBX -> Scene File conversion.
This is the simple pass, minimizing code changes and focused on comments.

Signed-off-by: stankowi <4838196+AMZN-stankowi@users.noreply.github.com>

* Step 1 of part 2 of the FBX -> Scene rename

Signed-off-by: stankowi <4838196+AMZN-stankowi@users.noreply.github.com>

* Renaming FbxSceneBuilder folder to SceneBuilder

Signed-off-by: stankowi <4838196+AMZN-stankowi@users.noreply.github.com>

* Renamed files

Signed-off-by: stankowi <4838196+AMZN-stankowi@users.noreply.github.com>

* More FBX -> Scene

Signed-off-by: stankowi <4838196+AMZN-stankowi@users.noreply.github.com>

Code/Tools/AssetProcessor/native/utilities/ApplicationManager.cpp

@@ -446,7 +446,7 @@ void ApplicationManager::PopulateApplicationDependencies()
     // any of those should cause AP to drop.
     for (const QString& pathName : { "CrySystem",
                                      "SceneCore", "SceneData",
-                                     "FbxSceneBuilder", "AzQtComponents"
+                                     "SceneBuilder", "AzQtComponents"
                                      })
     {
         QString pathWithPlatformExtension = pathName + QString(AZ_DYNAMIC_LIBRARY_EXTENSION);