Extension causes high cpu load

[Ruslan]

• Issue Type: Performance
• Extension Name: codetour
• Extension Version: 0.0.58
• OS Version: Darwin x64 21.1.0
• VS Code version: 1.58.2

⚠️ Make sure to attach this file from your home-directory:
⚠️/var/folders/tv/qmww8hcs03n1z5xdqsdfk3pm0000gn/T/vsls-contrib.codetour-unresponsive.cpuprofile.txt

Find more details here: https://github.com/microsoft/vscode/wiki/Explain-extension-causes-high-cpu-load