Do not check file permissions of .arigato.json
Do not check file permissions of .arigato.json

Remove permission checking of .arigato.json file. The only thing that
matters is that we can write to the file (for link creation) and read
from it.

Closes arigatomachine/cli#785

luizbranco/torus-cli,luizbranco/torus-cli,manifoldco/torus-cli,manifoldco/torus-cli,luizbranco/torus-cli,manifoldco/torus-cli