Revert "[core] make snappy a first class citizen"

This reverts commit 8d15fcf37fe9deedbd0579f1744db7728642db4b.

Conflicts:
	apps/filebrowser/src/filebrowser/views.py
Revert "[core] Add python-snappy library"

This reverts commit c8a63af10a56ca1d3bba96a51d114c976d63dffa.