Revert "apt: Move sources into sources.list to make other packages happy"

This reverts commit df3e541400f3bd1340403631e68d44f8e41478ba. This change had
knock-on effects that caused apt to misbehave w.r.t. the mdt-services local apt
repo.

Change-Id: I24266d6f4b5abe0b7c51033b158bd9ed6480963a
1 file changed
tree: f8934f47143f4c6a9fcd0bff195dd7fedd1310bb
  1. debian/
  2. etc/
  3. usr/