Chore: Run gofmt (#3990)

proxy/trojan/validator.go

@@ -51,7 +51,6 @@ func (v *Validator) Get(hash string) *protocol.MemoryUser {
 	return nil
 }
 
-
 // Get a trojan user with hashed key, nil if user doesn't exist.
 func (v *Validator) GetByEmail(email string) *protocol.MemoryUser {
 	u, _ := v.email.Load(email)