Revert "added .xpi file"
Revert "added .xpi file"

This reverts commit cb9bba294faac3b4d489d7155c893a022b41b476.

ChristianFrisson/papermachines,papermachines/papermachines,papermachines/papermachines,ChristianFrisson/papermachines,papermachines/papermachines,papermachines/papermachines,ChristianFrisson/papermachines,ChristianFrisson/papermachines