{LYN-4514} Re-factored Blast gem's python asset builder (#2143)

* {LYN-4514} Re-factored Blast gem's python asset builder

* Re-factored Blast gem's python asset builder so that the .blast file creates an asset info scene manifest
* Added a python script to act as a SceneAPI script + Python Asset Builder (blast_asset_builder.py)
* renaming types from "Slice" to "Chunk"

Tests: Re-enabled Gems/Blast/Code/Tests/Editor/EditorBlastSliceAssetHandlerTest.cpp

Signed-off-by: Jackson <23512001+jackalbe@users.noreply.github.com>

* renaming from Slice to Chunks

Signed-off-by: Jackson <23512001+jackalbe@users.noreply.github.com>

* updated the Copyright


Signed-off-by: Jackson <23512001+jackalbe@users.noreply.github.com>

* Removing StdAfx.h includes

Signed-off-by: Jackson <23512001+jackalbe@users.noreply.github.com>

* null check added m_blastChunksAsset.Get()
removing 'slice' like EditorBlastSliceAssetHandlerTestFixture
delete old asset builder blast file


Signed-off-by: Jackson <23512001+jackalbe@users.noreply.github.com>

* adding source deps for FBX -> BLAST file

Signed-off-by: Jackson <23512001+jackalbe@users.noreply.github.com>

* removing slice name

Signed-off-by: Jackson <23512001+jackalbe@users.noreply.github.com>

* Adding error message and updates from PR

Signed-off-by: Jackson <23512001+jackalbe@users.noreply.github.com>

Gems/Blast/Code/Source/BlastModule.cpp

@@ -16,7 +16,6 @@
 #ifdef BLAST_EDITOR
 #include <Editor/EditorBlastFamilyComponent.h>
 #include <Editor/EditorBlastMeshDataComponent.h>
-#include <Editor/EditorBlastSliceAssetHandler.h>
 #include <Editor/EditorSystemComponent.h>
 #endif
 
@@ -40,8 +39,7 @@ namespace Blast
 #ifdef BLAST_EDITOR
                     EditorSystemComponent::CreateDescriptor(),
                     EditorBlastFamilyComponent::CreateDescriptor(),
-                    EditorBlastMeshDataComponent::CreateDescriptor(),
-                    BlastSliceAssetStorageComponent::CreateDescriptor(),
+                    EditorBlastMeshDataComponent::CreateDescriptor()
 #endif
                 });
         }