Email: Remove unused string

Change-Id: Iea505eebf47d91deaa2f932a45d36a9dea833be0
Automatic translation import

Change-Id: I400a5595cdd2cdf402a8bdd76893ff3be6542c52
Email: Set translatables

Change-Id: Ib8fb17226214685b0d7bcbccfa18dbd59cc4a0d5
Automatic translation import

Change-Id: I05ca31d07fa0b4010044e36b2a5f00d561c7fe3d