language.rb: Fix rubocop issues
language.rb: Fix rubocop issues

Closes #209

Signed-off-by: Giuliano Belinassi <6b3882aa5e26fff2cd0501773eaef1a51220a0a4@usp.br>
Signed-off-by: Lucas Kanashiro <e8bb13a8e92a19bedc5d076d2547dc6720650f25@debian.org>

rodrigosiqueira/kuniri