Fix relationship from users to ephemerals

storage/database.go

@@ -53,7 +53,7 @@ type User struct {
 type Ephemeral struct {
 	ID                  uint   `gorm:"primaryKey"`
 	Offset              int64  `gorm:"not null; index"`
-	TransmissionRSAHash []byte `gorm:"not null; unique; references users(transmission_rsa_hash)"`
+	TransmissionRSAHash []byte `gorm:"not null; references users(transmission_rsa_hash)"`
 	EphemeralId         int64  `gorm:"not null; index"`
 	Epoch               int32  `gorm:"not null; index"`
 }