Cleanup models.User.HashPassword (#3334)

routers/api/v1/admin/user.go

@@ -126,13 +126,12 @@ func EditUser(ctx *context.APIContext, form api.EditUserOption) {
 	}
 
 	if len(form.Password) > 0 {
-		u.Passwd = form.Password
 		var err error
 		if u.Salt, err = models.GetUserSalt(); err != nil {
 			ctx.Error(500, "UpdateUser", err)
 			return
 		}
-		u.HashPassword()
+		u.HashPassword(form.Password)
 	}
 
 	u.LoginName = form.LoginName