Revert "importer dummy files for Videoscape"

This reverts commit 9bffdd0cad330d3bd032c5d3ca04631d4af5f021.

don't wanna have it in master...
Revert "prepare for new importer for Videoscape files"

This reverts commit 7d67b2918163c532720496a6e2aad453c88f611e.

don't wanna have it in master...