vscode: remove unused option (#87703)

The option "--skip-getting-started" no longer exists in vscode and causes files in "$@" to not be opened.
Message from stdout: "Warning: 'skip-getting-started' is not in the list of known options, but still passed to Electron/Chromium."
"--skip-getting-started" being removed: https://github.com/microsoft/vscode/commit/6a8b201c8aff79ae04d69038e815500a04f06401