Stop requiring the SHA-1 hash when downloading files
Stop requiring the SHA-1 hash when downloading files

We trust the HTTP layer.

omegaup/omegajail,omegaup/omegajail,omegaup/omegajail,omegaup/omegajail,omegaup/omegajail,omegaup/omegajail,omegaup/omegajail,omegaup/omegajail,omegaup/omegajail,omegaup/omegajail,omegaup/omegajail