Setup common tuna extract-files/remove Google self-extractors

Since tuna devices are no longer maintained by AOSP there is
no need to have multiple locations and duplicate files. This
Will put all common files in vendor/samsung/tuna and device
specific ones in vendor/samsung/toroplus.

Change-Id: Ib91d3d67d5b2e14482df4bb7a2081c61bee6f92e