Remove home-grown Array#to_sentence dup
Remove home-grown Array#to_sentence dup

- to_sentence does the same job as the removed code.
- Clean up the conditional with .any? and implicit returns

andreicristianpetcu/alaveteli,andreicristianpetcu/alaveteli,TEDICpy/QueremoSaber,andreicristianpetcu/alaveteli,petterreinholdtsen/alaveteli,Br3nda/alaveteli,4bic/alaveteli,TEDICpy/QueremoSaber,andreicristianpetcu/alaveteli,andreicristianpetcu/alaveteli,4bic/alaveteli,TEDICpy/QueremoSaber,andreicristianpetcu/alaveteli_old,nzherald/alaveteli,petterreinholdtsen/alaveteli,petterreinholdtsen/alaveteli,4bic/alaveteli,Br3nda/alaveteli,TEDICpy/QueremoSaber,nzherald/alaveteli,4bic/alaveteli,nzherald/alaveteli,Br3nda/alaveteli,andreicristianpetcu/alaveteli_old,nzherald/alaveteli,andreicristianpetcu/alaveteli_old,petterreinholdtsen/alaveteli,Br3nda/alaveteli,TEDICpy/QueremoSaber,Br3nda/alaveteli,andreicristianpetcu/alaveteli_old,andreicristianpetcu/alaveteli_old,petterreinholdtsen/alaveteli,4bic/alaveteli,nzherald/alaveteli