* Implement deleteFile graphql mutation (#5292).
Signed-off-by: François de Metz <francois@2metz.fr>
* Test if the file exist before removing it.
Signed-off-by: François de Metz <francois@2metz.fr>
* Fix a typo.
Signed-off-by: François de Metz <francois@2metz.fr>