[Mat Graph]Remove standard asset stuff, not needed.

MaterialGraphProject/Assets/StandaredAssetJazz.meta

-fileFormatVersion: 2
-guid: c3f204d4fc39dcc44862f00979d5c322
-folderAsset: yes
-timeCreated: 1444204394
-licenseType: Pro
-DefaultImporter:
-  userData: 
-  assetBundleName: 
-  assetBundleVariant: