Bug#948385: pykaraoke: Pykaraoke doesn't work because it needs packages "ttf-dejavu ttf-dejavu-extra"

[Andreas Beckmann]

Followup-For: Bug #948385
Control: tag -1 pending
Control: found -1 0.7.5-1.2

No need for the transitional ttf-* packages, just fix the symlinks:
s/ttf-//.

buster-pu:  https://bugs.debian.org/948464
stretch-pu: https://bugs.debian.org/948465

Andreas