fix bug when deleting a linked account will removed all (#5989)

routers/user/setting/security.go

@@ -34,11 +34,16 @@ func Security(ctx *context.Context) {
 
 // DeleteAccountLink delete a single account link
 func DeleteAccountLink(ctx *context.Context) {
-	if _, err := models.RemoveAccountLink(ctx.User, ctx.QueryInt64("loginSourceID")); err != nil {
+	id := ctx.QueryInt64("id")
+	if id <= 0 {
+		ctx.Flash.Error("Account link id is not given")
+	} else {
+		if _, err := models.RemoveAccountLink(ctx.User, id); err != nil {
 			ctx.Flash.Error("RemoveAccountLink: " + err.Error())
 		} else {
 			ctx.Flash.Success(ctx.Tr("settings.remove_account_link_success"))
 		}
+	}
 
 	ctx.JSON(200, map[string]interface{}{
 		"redirect": setting.AppSubURL + "/user/settings/security",