chore: remove Shields.io badges from README heading (#446)

* Initial plan

* chore: remove shields.io badges from README.md heading

Agent-Logs-Url: https://github.com/microsoft/vscode-containers/sessions/0282a2bb-d728-472a-b61c-de45ed070b5d

Co-authored-by: bwateratmsft <36966225+bwateratmsft@users.noreply.github.com>

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Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: bwateratmsft <36966225+bwateratmsft@users.noreply.github.com>

Author: Copilot

README.md

@@ -1,4 +1,4 @@
-## Container Tools for Visual Studio Code  [![Version](https://img.shields.io/visual-studio-marketplace/v/ms-azuretools.vscode-containers)](https://marketplace.visualstudio.com/items?itemName=ms-azuretools.vscode-containers) [![Installs](https://img.shields.io/visual-studio-marketplace/i/ms-azuretools.vscode-containers)](https://marketplace.visualstudio.com/items?itemName=ms-azuretools.vscode-containers)
+## Container Tools for Visual Studio Code
 
 The Container Tools extension makes it easy to build, manage, and deploy containerized applications from Visual Studio Code. It also provides one-click debugging of Node.js, Python, and .NET inside a container.