Remove outdated qfq_..zip and IDE VisualCode .vscode files/dirs.

.gitignore

@@ -58,3 +58,5 @@ composer.lock
 /qfq.flowchart.dia.autosave
 /support
 /vendor
+
+/javascript/src/.vscode
\ No newline at end of file

javascript/src/.vscode/tasks.json

-{
-    // See https://go.microsoft.com/fwlink/?LinkId=733558
-    // for the documentation about the tasks.json format
-    "version": "2.0.0",
-    "tasks": [
-        {
-            "label": "echo",
-            "type": "shell",
-            "command": "echo Hello"
-        }
-    ]
-}
\ No newline at end of file