Bug#981426: RM: cu2qu -- ROM; merged to fonttools

[Samuel Henrique]

It seems like a build-dep was missed:

afdko: FTBFS: build-dependency not installable: python3-cu2qu (>= 1.6.7)
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=982697

Cheers,

-- 
Samuel Henrique <samueloph>