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

Author: lunny

routers/user/setting/security.go

@@ -34,10 +34,15 @@ 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 {
-		ctx.Flash.Error("RemoveAccountLink: " + err.Error())
+	id := ctx.QueryInt64("id")
+	if id <= 0 {
+		ctx.Flash.Error("Account link id is not given")
 	} else {
-		ctx.Flash.Success(ctx.Tr("settings.remove_account_link_success"))
+		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{}{