Delete cah.md
Delete cah.md

Επειδη υπαρχει στο humanistic-informatics.md

ulr : https://github.com/ioniodi/site-bilingual/blob/master/_courses-en/cah.md
GIANNIS-AGGELIS/site-bilingual,ioniodi/site1,ioniodi/site1,GIANNIS-AGGELIS/site-bilingual,ioniodi/site1,GIANNIS-AGGELIS/site-bilingual