Revert "added new pack"

This reverts commit 1b442e2de4.

NewPack/metadata.yaml

@@ -1,17 +0,0 @@
-Name: New Pack
-Category: Environments
-Description: New scene that has stuff.
-Tags:
-  - new
-  - scene
-  - cool
-  - environment
-RequiredContent:
-  []
-Files:
-  - New Pack/Meshes/SM_Ramp.hsmesh
-  - New Pack/Meshes/SM_Tray.hsmesh
-  - New Pack/Models/SM_Ramp.glb
-  - New Pack/Models/SM_Tray.glb
-  - New Pack/NewScene.hscene
-  - New Pack/NewScene.hzr